cd

Examples

• All

• The light source emitted 50 cd, which is considered adequate for reading purposes.

• In its initial trial, the model came in with a CD of 0.151.

  Academic text (1999)

• All the investigations were done with a surrounding luminance density between 150 cd/m² and 300 cd/m².

  Academic text (2010)

• The photometric range of the system covers 0.01 to 200,000 cd/m; pixel resolutions of 50 m are possible using the standard 50-mm objective lens.

  Academic text (2003)

• Under the mesopic (poorly lit) condition, the average floor luminance was 3.4 cd/m².

  Academic text (2010)

• The brightness of the bulb was measured at 100 cd, which indicates a strong light intensity.

Synonyms

C

candle

vscd

• Archaic

23 8.8

An old unit for measuring how bright a light is

is the SI unit now replacing that older physical-source based measure

S

standard candle

vscd

• Specialized

1 9.5

A standard measure of how bright a light is, originally based on a candle

is the SI unit simplifying that technical numeric standard for general use

C

candela

vscd

• Specialized

1 9.9

A measure of how bright a light is in one direction

is the SI abbreviation equated to that same unit

I

international candle

vscd

• Archaic

9.9

A former unit for how bright a light is, replaced by the candela

is the current SI unit that replaced that older international measure

Compounds

C

CD player

42 1.5

A machine that plays music from CDs

C

CD-ROM

• Archaic

16 4.0

A disc for computers that stores data you cannot change

C

CD-ROM drive

• Archaic

2 3.7

A device in or connected to a computer that reads data from CDs

C

CD burner

1 3.2

A machine that writes music or files onto CDs

C

CD-R

1 4.1

A disc you can write to only once that holds music or files

A

audio CD

1 2.5

A round plastic disc that stores music or spoken recordings to play in a CD player

C

CD drive

1 2.7

A part of a computer or music player that reads CDs

C

CD-WO

• Archaic

6.7

A compact disc that you can write on only once and then only read

Surface Forms

Etymology