unreactedadj.

Brit.

/(ˌ)ʌnrɪˈaktᵻd/, U.S.

/ˌənriˈæktᵻd/

Origin: Formed within English, by derivation. Etymons: un- prefix¹, react v.¹, -ed suffix¹.

Etymology: < un- prefix¹ + react v.¹ + -ed suffix¹.

Chiefly Chemistry.

Not having undergone a reaction.

ΘΚΠ

the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to chemical reactions (general) > not having reacted

unreacted1908

1908 Chem. Abstr. 2 1222 The rapidity with which the intermixing of the products with the unreacted gases takes place must be taken into consideration.

1977 A. Hallam Planet Earth 33/3 After neutralizing or evaporating off any unreacted acid, the resulting rock solution is then sprayed into a hot flame.

2003 M. Ratcliffe & M. Grace Sci. Educ. for Citizenship iii. 47 If too much pesticide is used, residues (unreacted pesticide) can get into the food chain.

This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).

单词	unreacted
释义	unreactedadj. Brit. /(ˌ)ʌnrɪˈaktᵻd/, U.S. /ˌənriˈæktᵻd/ Origin: Formed within English, by derivation. Etymons: un- prefix¹, react v.¹, -ed suffix¹. Etymology: < un- prefix¹ + react v.¹ + -ed suffix¹. Chiefly Chemistry. Not having undergone a reaction. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to chemical reactions (general) > not having reacted unreacted1908 1908 Chem. Abstr. 2 1222 The rapidity with which the intermixing of the products with the unreacted gases takes place must be taken into consideration. 1977 A. Hallam Planet Earth 33/3 After neutralizing or evaporating off any unreacted acid, the resulting rock solution is then sprayed into a hot flame. 2003 M. Ratcliffe & M. Grace Sci. Educ. for Citizenship iii. 47 If too much pesticide is used, residues (unreacted pesticide) can get into the food chain. This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021). < adj.1908
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