Found:

tense

SYNTAX/SEMANTICS: grammatical feature or category expressing a temporal relation between the event described by the verb and the moment of utterance. Tense has been analyzed either as a morpho-syntactic feature of INFL, or as a category T in its own right. Traditional tense features are past, present and future.

LIT.	Chomsky, N. (1981) Giorgi, A. & F. Pianesi (1991) Gueron, J. & T. Hoekstra (1988) Hornstein, N. (1990)

PHONOLOGY/PHONETICS: a feature which characterizes vowels that are produced with a tongue body or tongue root configuration involving a greater constriction than that found in their lax counterparts; this greater degree of constriction is frequently accompanied by greater length (Halle & Clements (1983:7)). EXAMPLE: In English, [I] in willis lax, while [i] in wheel is tense.