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monofunctional
monofunctional adj. 
/ˌmɒnə(ʊ)ˈfʌŋ(k)ʃən(ə)l/,
Brit. /ˌmɒnə(ʊ)ˈfʌŋ(k)ʃn̩(ə)l/
, /ˌmɒnə(ʊ)ˈfʌŋ(k)ʃn̩(ə)l//ˌmɒnə(ʊ)ˈfʌŋ(k)ʃən(ə)l/U.S. /ˌmɑnoʊˈfəŋ(k)ʃ(ə)nəl/
Chemistry having or corresponding to a single functional group per molecule./ˌmɑnoʊˈfəŋ(k)ʃ(ə)nəl/ΘΚΠ
the world > matter > chemistry > chemical structure or stereochemistry > [adjective] > of or relating to functional groups in a molecule
trifunctional1929
monofunctional1946
1946 Jrnl. Amer. Chem. Soc. 68 360/2 The monofunctional trimethylchlorosilane acts as a growth terminating agent or ‘chain~stopper’.
1964 Brit. Med. Bull. 20 91/1 The carcinogenic action of a series of monofunctional ethyleneimines.
1974 Analyt. Chem. 46 344 (heading) Potentiometric titration of monofunctional bases in ion exchanger-aqueous solution medium.
1991 Nature 24 Jan. 314/1 We have studied the dehydrocyclization of n-hexane over a MgO catalyst, the basicity of which may also lead to a monofunctional reaction mechanism.
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