OPACITY

opacity, opaqueness

(noun) the quality of being opaque to a degree; the degree to which something reduces the passage of light

opacity, opaqueness

(noun) incomprehensibility resulting from obscurity of meaning

opacity

(noun) the phenomenon of not permitting the passage of electromagnetic radiation

Source: WordNet® 3.1


Etymology

Noun

opacity (countable and uncountable, plural opacities)

(uncountable) The state or quality of being opaque, not allowing light to pass through

(uncountable) The state or quality of being inaccessible to understanding.

(optics, countable) A measure of relative impenetrability to electromagnetic radiation such as light.

Synonyms

• opaqueness

Coordinate terms

• transparency

Source: Wiktionary


O*pac"i*ty, n. Etym: [L. opacitas: cf.F. opacité.]

1. The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.

2. Obscurity; want of clearness. Bp. Hall.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

27 January 2025

FISSILE

(adjective) capable of being split or cleft or divided in the direction of the grain; “fissile crystals”; “fissile wood”


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