(ecology) The host in which a parasite reproduces sexually.

plural of definitive host

(logic) A Horn clause with exactly one positive literal.

plural of definite article

plural of definite maybe

(informal) an indication that the uncertainty of an event or matter is fixed and immutable

(television) A system that uses a resolution that is not considered to be either high-definition television (720p, 1080i, 1080p, 1440p, 4K UHDTV, and 8K UHD) or enhanced-definition television (EDTV 480p).

(finance) A document defining the final terms of an agreement between buyer and seller, typically of a company's assets or stock.

plural of definitive agreement

plural of definite clause