【化】 hydrocarbonylation
add; append; increase; plus; tot; tote
【医】 add; adde; addition; admov.
hydrogen
【医】 H; hydr-; hydro-; hydrogen; light hydrogen
armour; first; nail; shell
【医】 carapace; concha; conchae; helo-; nail; onycho-; onyx
【化】 acidation; acylation