名詞 aspirate:

1. a consonant pronounced with aspiration

動詞 aspirate:

1. remove as if by suction
   同義詞：draw out, suck out
2. pronounce with aspiration; of stop sounds
3. suck in (air)

1. The word `hour' is pronounced without an initial aspirate.
   hour一字的開頭字母h不發(fā)送氣音。

as.pi.rate

v.tr.（及物動詞）
as.pi.rat.ed,as.pi.rat.ing,as.pi.rates
Linguistics
【語言學】
To pronounce (a vowel or word) with the initial release of breath associated with Englishh, as in hurry.
以/h/音開始讀出（某詞或詞中的某音節(jié)）：以英語中送氣的音開頭讀出（某元音或詞）h， 如 hurry
To follow (a consonant, especially a stop consonant) with a puff of breath that is clearly audible before the next sound begins, as in Englishpit or kit.
送氣發(fā)基輔音：在下一個音開始前，清晰地送氣發(fā)音（輔音，特別是爆破音），如英語中的pit 或 kit
To draw (something) into the lungs; inhale.
將氣吸入肺內；吸氣
Medicine To remove (liquids or gases) by means of a suction device.
【醫(yī)學】 用抽吸裝置抽吸（液體或氣體）
n.（名詞）

The speech sound represented by Englishh.
英語中的送氣音h
The puff of air accompanying the release of a stop consonant.
發(fā)爆破輔音時的送氣音
A speech sound followed by a puff of breath.
送氣音
Medicine Matter removed by aspiration.
【醫(yī)學】 吸出物

來源：
Latin aspir3re aspir3t- [to breath on]
拉丁語 aspir3re aspir3t- [呼吸]
ad- [ad-]
ad- [前綴，表.朝，向.]
spir3re [to breathe]
spir3re [呼吸]