English word biological comes from English biology (science of living organisms) and the English adjective ending -ical
| Dictionary entry | Language | Definition |
|---|---|---|
| -ical | English (eng) | 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 (eng) | 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 (eng) | (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. |