Word Pronunciation & Dictionary

optical depth

Word Rarity Rare

Frequency: Zipf frequency 3.95 in modern English

Syllables: op-ti-cal depth
IPA

22

Scrabble Score

12

Letters

3

Syllables

10

Unique Chars

Meaning

noun

The natural logarithm of the ratio of amount of radiation that hits an object to the amount of radiation that emerges from that object on the other side.

Countable; Uncountable

Example Sentences

"The previous attempt of direct observational detection, undertaken with the Hubble Space Telescope (HST) during the Mars equatorial plane crossing in May 2001, set an upper limit on the normal optical depth to #92;sim 3#92;times 10#123;-8#125; for the Phobos ring and #92;sim 10#123;-7#125; for the Deimos torus."

Usage

Inflected Forms

optical depths (plural)

Synonyms

optical thickness

Questions

What does optical depth mean?: The natural logarithm of the ratio of amount of radiation that hits an object to the amount of radiation that emerges from that object on the other side.

How to pronounce optical depth

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