Get an English Tutor
English word biological comes from English biology (science of living organisms) and the English adjective ending -ical
-ical (English)
Used to form adjectives from nouns with the meaning "of or pertaining to"; adjectival suffix appended to various words, often nouns, to make an adjective form. Often added to words of Latin origin, but used with other words also.
biology (English)
The living organisms of a particular region.. The structure, function, and behavior of an organism or type of organism.. The study of all life or living matter.
biological (English)
(rare) A biological product. (proscribed, used by non-native speakers) organic (grown without agrochemicals). Of or relating to biology.. Related by consanguinity, especially as to parents and children.