plural of open mike

plural of open mic

In an open-ended manner; indefinitely; freely.

plural of open file

(chess) A file with no pawns of either color on it.

(linguistics) A syllable that has no coda after its nucleus, and which hence ends in a vowel.

plural of open sandwich

plural of open interval

(UK) An usher in a church.

(music) A certain stop in an organ, in which the pipes or tubes are formed like the mouthpiece of a flageolet at the end where the wind enters, and are open at the other end.