transcription, транскрипция: [ hī-ˈdräk-səl ]
noun
Etymology: hydr- + ox- + -yl
Date: 1869
1. : the chemical group, ion, or radical OH that consists of one atom of hydrogen and one of oxygen and is neutral or negatively charged
2. : hydroxide 1
• hy·drox·yl·ic ˌhī-ˌdräk-ˈsi-lik adjective