英语词汇“delta rays”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

delta rays

释义

delta /delˈtə/

noun

The fourth letter (Δ or δ) of the Greek alphabet, equivalent to d
An alluvial deposit at the mouth of a stream or river, Δ-shaped in the case of the Nile, where the flow splits into several channels
As an ancient Greek numeral δˈ = 4, ˌδ = 4000
In classification, the fourth or one of the fourth grade, the grade below gamma

ORIGIN: Gr, from Heb daleth a tent-door

deltāˈic adjective

Relating to a delta

delˈtoid adjective

noun

A deltoid muscle

delta ray noun

A stream of low-energy electrons

delta rhythm or delta wave noun

One of the waves recorded on an electroencephalogram indicating the low-frequency brain activity of a sleeping person

delta wing adjective and noun

(a jet aeroplane) with triangular wings

deltoid muscle noun

The large triangular muscle of the shoulder

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