A detail-oriented individual.

(physics) Abbreviation of isotopic spin or isospin.

(computing, electrical engineering) input/output

(biochemistry) nicotinamide adenine dinucleotide

(biochemistry) nicotinamide adenine dinucleotide

(games) A game where players have to guess what one can see, based on the initial letter of the object. / (games, archaic) A children's game of hide and seek, so called from the cry when one is found.

Alternative spelling of Hawaii

(Britain, dated) An exclamation of surprise or protest. / Used for emphasis, or when resuming after diversion or interruption.

plural of I-frame

(signal processing, video compression) Abbreviation of intraframe. / (video games) abbreviation of invincibility frame, a single time unit in video games during which a character cannot be hurt.