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adjective, noun.
adj. 1. (Botany.) resembling a lattice; divided or marked like latticework.
△Ex. clathrate foliage.
2. (Chemistry.) formed by or having molecules which are interlaced in a latticelike geometrical pattern.
△Ex. Enlarged clathrate crystals, containing argon trapped in a quinol lattice (Science News Letter).
noun a clathrate crystal or crystalline compound.