there-insertion A term used in transformational grammar for a transformation which relates pairs of sentences by inserting a there-element, such as A baby is in the bath -> There is a baby in the bath. The latter type of sentence is often referred to as existential.
tip The end-point of the tongue, also known as the apex; used in the articulation of a few speech sounds, such as the trilled [r].
truth conditions A term used in logic and semantics for the conditions under which a sentence is true. For example, Snow is white is true if and only if snow is white.
Definitions from: A Dictionary of Linguistics and Phonetics, Sixth edition, 2008
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