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head

head

10 7.2
A measure of liquid or gas pressure
  • noun
  • /hɛd/
  • Specialized
: carga hidráulica
  • So I will measure the thigh by the length of head and it's actually about one head in a length.
  • hydraulic head
  • head loss
  • low head

He wasn't quite as agile as Lou Alcindor, but his elbows we're right about head height for me.

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Examples

  • According to government figures, state spending per head in Northern Ireland is even higher than in England's economically depressed Northeast.

    Academic text (2011)
  • OK, step one is to measure my head with this piece of bark.

  • The power's in this big head here.

  • I guess everything in the engine room was going well... ... for we was keeping up a fair head of steam.

  • OK, so no matter how big or small the head is, the waist is at the third head mark.

  • I measure three feet from the head of the toilet outward to the center of the room.

    Fiction book (1998)
  • "If you can arrange for us to have a ten-hour head start when we leave, that's all we'll need."

    Fiction book (1991)
  • As a result, ethanol has a huge head start over other alternatives to MTBE.

    Academic text (2001)
  • The UV disinfection system will have more head loss than the existing chlorine system.

    Academic text (2002)
  • The height of the wall measures three heads from the ground.

Synonyms

hydrostatic head
vshead
  • Specialized
1 8.4

The height of liquid that makes pressure at a point below it

is a broader measure covering liquid or gas pressure and also a length unit

Idioms

A place to live or stay

Completely covering the whole body from head to feet

head over heels
  • Informal
22 3.4

Completely in love with someone

22 8.5

Shout at someone in a very angry way and threaten them

Completely change the usual idea about something

A sum of money offered to catch or kill a person wanted by the police

Make people see something in a very different way

To make someone understand or accept something after many tries

Showing pride and confidence when facing difficulty

11 9.1

To be very angry with someone and want to punish them

9 7.4

To cause someone to feel confused or overwhelmed by too much information

9 4.7

To avoid serious money problems during hard times

9 9.9

Command to cut off a person's head as punishment

8 7.2

To daydream and not pay attention to what is around you

7 8.1

Too difficult for someone to understand

To force someone to do something by threatening them

6 4.3

Being much better than others at something

5 7.8

To run away quickly to escape danger

5 7.0

To leave someone feeling overwhelmed or confused by too much information

fucked in the head
  • Offensive
4 9.9

Very unwell in the mind and likely to act strangely

To stay focused and calm in a difficult situation

An ability to understand and do well in business

Offer money for catching or killing a person

3 9.1

Showing poor judgment or not thinking clearly

Stay calm and not get angry or excited in a difficult situation

To hurt someone in any way, even a little

head over heels
  • Informal
3 4.2

In a hurry and moving clumsily without control

2 9.9

Being responsible for another person's harm or death

1 6.9

A person who has good judgment and common sense

To stay very alert and watch what is happening around you

1 5.1

To make loud, long sounds because something is very funny

to soak your head
  • Offensive
1 9.9

A rude phrase that tells someone to stop complaining and leave for a while

1 3.7

To think carefully and act sensibly

hole in the head
  • Informal
1 9.7

A foolish excuse that is clearly not true

1 7.9

Thinking in a dreamy way and not noticing everyday tasks

1 8.0

To speak to someone in a sudden angry way without good reason

1 9.1

To speak angrily to someone and criticize them

1 6.4

To become very upset and unable to think clearly

Allow someone to act freely and make their own choices

1 3.2

A place to live, like a house or flat that keeps you dry and safe

To ignore a problem instead of dealing with it

To stay constantly in someone's thoughts and annoy them

Stay calm and think clearly in a difficult or dangerous situation

Touch or rub your head to show you do not understand something

To find a place to sleep or rest

Not helpful and not wanted in any situation

To try many times to do something without success and feel frustrated

To notice things happening behind you without turning around

To make loud sounds you cannot stop because something is very funny

To move forward despite strong opposition or many difficulties

To calm your mind and think clearly

To finally understand or accept something difficult

Compounds

88 2.5

An advantage from starting earlier than others that helps you succeed

54 3.8

To face something directly without avoiding it

head of state
  • Formal
49 3.5

A country's main public leader, like a president or king

43 3.7

In direct competition with another person or team

34 3.9

The front of one vehicle hits the front of another in a crash

30 2.0

All the hair that grows on the top of a person's head

A person who leads a department in a company or school

talking head
  • Literature
25 6.0

A person on TV or video who speaks directly to viewers and gives opinions

19 3.4

The number of people present in a group or at an event

16 4.1

Staying calm and not getting upset in difficult or stressful situations

15 3.9

A direct contest or comparison between two sides

A person who is in charge of managing a home and family

12 3.0

A senior nurse in charge of staff on a hospital ward

12 1.0

The upper part of the body that holds the brain and face

head honcho
  • Slang
9 6.3

A person who is in charge of a company or group

9 2.5

Small insects that live in hair and make the head itchy

6 1.8

A mild viral sickness that makes your nose stuffy, causes sneezing, and may give you a headache

head of steam
  • Informal
6 7.0

A sudden burst of energy and excitement before doing something

head game
  • Informal
5 8.6

A trick to confuse or upset someone

head-spinning
  • Informal
5 6.8

Causes strong confusion and makes you feel overwhelmed

head-scratcher
  • Informal
4 7.7

A problem that is hard to understand or solve

head gasket
  • Specialized
4 5.6

A thin part that sits between the engine block and cylinder head to stop oil, coolant, and gas from leaking

3 6.3

A carved, hollowed pumpkin made to look like a head or a person whose head looks like a pumpkin

head shop
  • NSFW
3 8.2

A shop that sells pipes and rolling papers for smoking drugs

3 9.3

A doctor who treats mental health problems

swelled head
  • Offensive
2 7.4

Thinking you are more important or better than other people

head-turner
  • Informal
2 5.6

A person or thing that looks very attractive and makes people turn to look

cylinder head
  • Specialized
2 6.4

Metal cover that closes the top of an engine cylinder and holds valves and spark plugs

A small movement of the head to one side that shows curiosity or confusion

head-scratching
  • Informal
2 7.5

Hard to understand and making people feel confused

2 9.1

An image or object of a human skull used as a symbol of death

Cloth or hat that people wear on the head, sometimes over the face

2 3.2

A person who leads a school and is responsible for its teachers and students

2 1.4

A round vegetable with a large firm head of leaves used for cooking

crowned head
  • Literature
1 7.8

A king or queen who rules because they get the position from their family

stupid-head
  • Offensive
1 9.1

A playful insult for a person who acts silly

flower head
  • Specialized
1 3.0

A tight group of small flowers that look like one flower

1 4.2

A private meeting between two people

1 3.5

The part of a golf club that strikes the ball

potato head
  • Offensive
1 8.4

A person who behaves in a foolish or silly way

pudding head
  • Offensive
1 9.9

A person who is not very smart

head trip
  • Informal
1 8.7

An intense mental experience that makes you think deeply or feel strong emotions

1 3.6

A person who leads a team working on a particular task

head restraint
  • Specialized
1 4.1

A padded support on top of a car seat that holds the head and reduces neck injury in a crash

1 8.1

A person who loves computers and new electronic gadgets

head voice
  • Specialized
1 7.1

A high singing sound that feels like it vibrates in the head

hash head
  • Offensive
1 9.9

A person who often smokes hash, a kind of illegal drug

doodie head
  • Offensive
1 9.9

A playful name children use for someone acting silly

pill head
  • Offensive
1 9.9

A person who often takes illegal pills to get high

ax head
  • US
1 4.1

A metal blade at the end of an ax used for chopping wood

coconut head
  • Offensive
1 9.9

A person who acts foolishly and lacks common sense

1 3.1

A lettuce with leaves packed into a round ball like iceberg

spud head
  • Offensive
1 9.8

An insulting name for a person who is foolish or lazy

bum head
  • Offensive
1 9.9

A person who behaves in a silly or careless way

acid head
  • Offensive
1 9.9

A person who regularly takes LSD

magnetic head
  • Specialized
1 6.0

A small part in a tape or disk player that reads and writes sound and data using a magnet

balloon head
  • Informal
1 8.9

A feeling that your head is swollen and full with pressure and discomfort

granola-head
  • Offensive
1 9.9

A person who cares a lot about healthy food and the environment

1 1.6

The part at the end of a mop that soaks up water for cleaning floors

addle-head
  • Offensive
1 9.9

A person who often thinks in a confused or silly way

1 9.9

A mushroom with a ridged, pitted cap attached halfway down the stem

1 7.6

An official who watches the line where play starts and records yards gained or lost

head sea
  • Specialized
1 9.9

Waves that move directly against a ship as it sails

head gate
  • Specialized
1 7.4

A movable barrier at the start of a canal that controls water flow

head tone
  • Specialized
1 8.0

A high singing voice that feels like it rings in the head

running head
  • Specialized
1 7.2

A heading printed at the top of each page showing the title or chapter

1 5.6

A small insect that lives in human hair and feeds on blood

A large moth with a skull-shaped dark mark on its back

1 6.0

The part at the end of a golf club that hits the ball

hydrostatic head
  • Specialized
1 8.4

The height of liquid that makes pressure at a point below it

medusa's head
  • South African
1 9.9

A small African succulent plant with many thin hanging branches like snakes

1 9.4

A silvery sea fish with a very flat body

1 9.9

A rare North American orchid with a brownish-green flower and a red-and-white lip shaped like a small horned animal's head

Surface Forms

head singular
heads plural

Etymology

In engineering a head means the pressure or height of a liquid or steam, using the image of the 'top' or 'height' (the original sense of head), so more head gives more force.