adjective topo·chemical \¦täpə, ¦tōpə+\

Definition of topochemical

  1. 1 :  of, relating to, or constituting a locally confined chemical reaction

  2. 2 :  of, relating to, or constituting a combined tactile and chemical sense (as that of the antennae of insects) that is fundamentally equivalent to olfaction

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Origin and Etymology of topochemical

top- + chemical

Seen and Heard

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a trip made at another's expense

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