Word Type

Noun

Adjective

Proper Noun

Adjective

The word "tertiary" can be used as noun, adjective, proper noun and adjective.

Word Relationships

Coordinate Terms

denary duodenary nonary octonary primary quaternary quinary secondary senary septenary vigenary

Derived Terms

Arcto-Tertiary Geoflora methyl tertiary butyl ether nontertiary post-Tertiary pretertiary tertiarily tertiarization tertiary alcohol tertiary amine tertiary amyl tertiary butyl tertiary butylhydroquinone tertiary care tertiary college tertiary color tertiary colour tertiary education tertiary explosive tertiary healthcare tertiary industry tertiary phosphine tertiary planet tertiary sector tertiary source tertiary structure tertiary student tertiary work tertiary-level education

Etymologically Related To

ary

Context

chemistry geology ornithology roman catholicism

Part Of

cenozoic

Related Terms

cubic tertian tertian

Related Terms

atom bird cenozoic cubic element engage feather geologic habit innermost layperson participate quality quill radical religious roman catholic scapular subsequent substitution tertial tertiary colour third third order three wing woman

Similar Terms

denary duodenary nonary octonary ordinal primary quaternary quinary secondary senary septenary vigenary

Synonym Network

3rd

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.