THEY They, pron. pl.; poss. Theirs; obj. Them. Etym: [Icel. þeir they, properly nom. pl. masc. of sa, su, þat, a demonstrative pronoun, akin to the English definite article, AS. se, seó, edhæt, nom. pl. edha. See That.]
Defn: The plural of he, she, or it. They is never used adjectively, but always as a pronoun proper, and sometimes refers to persons without an antecedent expressed. Jolif and glad they went unto here [their] rest And casten hem [them] full early for to sail. Chaucer. They of Italy salute you. Heb. xiii. 24. Blessed are they which do hunger and thirst after righteousness. Matt. v. 6.
Note: They is used indefinitely, as our ancestors used man, and as the French use on; as, they say (French on dit), that is, it is said by persons not specified.
THIALDINE
Thi*al"dine, n. Etym: [Thio- + aldehyde + -ine.] (Chem.)
Defn: A weak nitrogenous sulphur base, C6H13NS2.
THIALOL
Thi"al*ol, n. Etym: [Thio- + alcohol + L. oleum oil.] (Chem.)
Defn: A colorless oily liquid, (C2H5)2S2, having a strong garlic odor; — called also ethyl disulphide. By extension, any one of the series of related compounds.
THIBETAN
Thib"e*tan, a.
Defn: Of or pertaining to Thibet.
— n.
Defn: A native or inhabitant of Thibet.