ESI

ESI might be an acronym or abbreviation for: Chemistry Electrospray ionization, a technique used for mass spectrometry
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n. replica

n. rest

n. Dutch, one of a pair, match, pair, couple, partner, spouse, husband, wife, better half, placenta, coequal, companion, compeer, consort, counterpart, doublet, fellow, helpmate, helpmeet, lady, like, mate, the missis, old lady, old man, old woman

1. European Software Institute.
2. A dialect of JOSS.
[Sammet 1969, p. 217].

END SYSTEM IDENTIFIER. ENHANCED SERIAL INTERFACE (SPECIFICATION) [HAYES]. ESI