English
trivalent
French
adj
Source(s):CRYSTAL 2003487
MATTHEWS 1997385
ELL4879, 5185
- CRYSTAL, David. (2003) A Dictionary of Linguistics and Phonetics, 5th Ed Oxford: Blackwell.
- MATTHEWS, P.H. (1997) The Concise Oxford Dictionary of Linguistics. Oxford: Oxford University Press.
- The Encyclopedia of Language & Linguistics. (1994) Oxford: Pergamon Press.
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