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cap

cap

39 7.3
A small device that makes a loud pop when it is set off
  • noun
  • /kæp/
translation icon : detonador
  • Hand me down those blasting caps.

You can either they have like a bolt gun, like a cap gun.

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Examples

  • The workers placed the cap on the dynamite to ensure a safe blast.

  • Before igniting the explosives, he checked the cap to make sure it was securely attached.

  • Uh, just, like, a little blasting cap.

  • The dynamite caps are in the sack.

  • Blasting caps on the tips.

  • Cocking the piece, he placed a percussion cap on the nipple.

    Fiction book (1990)
  • Each cap in the box is designed to trigger a small explosion for use in fireworks.

Synonyms

detonator
vscap
  • Specialized
69 6.7

A device that makes an explosion happen, for example in fireworks or mining

is more about small initiating devices and extends to toy examples
blasting cap
vscap
  • Specialized
11 7.9

A small device that makes a larger explosive go off

is used more generally and also applies to small toy initiations
detonating device
vscap
  • Specialized
1 6.8

A small object or bit of explosive used to start a larger explosion

is used more broadly and includes small versions used in toys
percussion cap
vscap
  • Archaic
1 9.7

A small metal piece with powder that explodes when hit to fire a gun

is activated by mechanical or electrical means rather than by impact

Idioms

to bust a cap
  • Offensive
10 9.9

Shoot someone with a gun, often during violence or threats

4 6.3

An achievement you can be proud of

cap-a-pie
  • Archaic
1 9.9

Completely dressed from head to foot

7.7

In a humble way when asking for help or forgiveness

To make a big decision you cannot change that may be risky

9.9

To try to get someone to marry you

Compounds

45 1.2

A soft hat with a rounded top and a stiff front bill to shield the eyes

19 3.4

A thick layer of ice and snow that always covers large land areas like the poles or mountain tops

blasting cap
  • Specialized
11 7.9

A small device that makes a larger explosive go off

8 1.3

A waterproof cap you wear over your hair to keep it dry while showering

thinking cap
  • Informal
7 5.3

A quiet, focused way of thinking to solve a problem

5 2.6

A cover that you put on a camera lens to protect it from dust and damage

small-cap
  • Specialized
4 7.0

A company or stock with a small market value, often under one billion dollars

3 3.6

A tight knitted wool cap that covers the head and ears, often with a point or tassel

2 2.5

A close-fitting cap worn to keep the hair dry while swimming

distributor cap
  • Specialized
2 6.9

A protective cover in a car engine that holds the wires to the spark plugs

coonskin cap
  • Archaic
1 9.9

A hat made from raccoon fur with the tail hanging down the back

1 9.2

A pointed paper hat teachers put on a student as punishment in old classrooms

1 1.0

A tight hat that keeps hair dry while you swim

ski cap
  • UK
1 1.3

A close-fitting wool hat that keeps the head and ears warm

1 4.5

A close-fitting knitted hat worn in cold weather, often by sailors

cervical cap
  • Specialized
1 6.8

A small cup-shaped device that fits over the cervix to prevent pregnancy

1 2.7

A flat hat made of cloth with a small stiff front

large cap
  • Jargon
1 4.4

A company worth more than about ten billion dollars

1 4.4

A cover for the radiator opening that holds the cooling liquid and keeps pressure

small cap
  • Specialized
1 6.3

A company on the stock market with a small market value

1 5.8

A patch of yellow, greasy, scaly skin on a baby's scalp

1 3.4

A rounded hat with a small stiff brim at the front, often made of wool or tweed

1 2.3

A hat with a front brim that you wear when playing golf

1 4.2

A hat with a flat round top and a stiff front that sticks out, worn by police or army

percussion cap
  • Archaic
1 9.7

A small metal piece with powder that explodes when hit to fire a gun

small cap
  • Specialized
1 6.9

A capital letter the same height as a small letter used for style

bishop's cap
  • Specialized
9.9

A small plant that lives for more than one year with a seed pod shaped like a bishop's hat

7.2

A band around the lower part of a cap often showing rank or decoration

A small tool for removing metal caps from bottles

cap screw
  • Specialized
6.6

A screw with a finished head that you screw into a threaded hole to hold machine parts together

cap shroud
  • Specialized
9.9

A rope or wire near the top of a sailboat mast that holds it steady

9.9

A very poisonous white mushroom that can kill people and is often mistaken for edible mushrooms

dunce's cap
  • Literature
9.9

A pointed paper hat put on students' heads to shame them

A small forest plant with a low leaf cluster and tiny green flowers on thin stems

fool's cap
  • Archaic
9.9

A cone-shaped paper hat teachers put on students' heads to shame them long ago

liberty cap
  • Archaic
9.9

A tight cone-shaped cap worn as a sign of freedom

7.9

A flat foldable cap worn with a military uniform

9.3

A mushroom whose cap turns into a black liquid after it drops its spores

A mushroom whose cap turns into black ink when it gets old

A tight cap with a small front brim worn by horse riders

root cap
  • Specialized
6.8

A small group of cells at the tip of a plant root that protects it as it grows through soil

A flat round cap with a small or no brim worn by people who work on ships

7.7

A small pointed hat worn with a military uniform that folds flat

A flat round hat with a visor that people wear with a military or official uniform

3.1

A cap that fits tightly to stop liquids from spilling

5.7

A close-fitting knitted hat with a hanging tail or pom-pom that you wear in cold weather

A common white mushroom with a long shaggy cap that people eat

A North American wildflower with orange-red spotted petals that point downward

A lily with petals that bend backward and bright, bell-shaped flowers

A lid you open by turning to remove from a bottle or jar

wishing cap
  • Literature
9.9

A cap that makes your wishes come true when you wear it

A cap with a flat round top and a short visor worn on boats

How Powerful

artillery
  • Specialized
184 6.9
rifle
525 3.2
pistol
268 2.1
poodle shooter
  • Offensive
9.9
cap
39 7.3

Surface Forms

cap singular
caps plural

Etymology

Cap for a small explosive comes from the idea of a tiny cover (from cappa) that holds a small charge and makes a pop, as in toy-gun caps. So a cap in blasting or toys is a small device that starts a bigger effect.