- noting or containing a carbon atom united to three other carbon atoms.
- formed by replacement of three atoms or groups.
noun, plural ter·ti·ar·ies.
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Origin of tertiary
OTHER WORDS FROM tertiarypost-Ter·ti·ar·y, adjectivepre-Ter·ti·ar·y, adjective
Words nearby tertiary
Example sentences from the Web for tertiary
The various three-dimensional, tertiary structures proteins reliably form are largely responsible for adaptive functions, like giving off color when exposed to certain wavelengths of light.
But forget about the tertiary side characters, the main players are also saddled with catastrophically absurd stories as well.NBC’s ‘Smash’: Weak Writing, Terrible Characters, and Painful Subplots|Jace Lacob|March 26, 2012|DAILY BEAST
My only consolation is the knowledge that the speaker is entirely secondary (or tertiary) to the proceedings.
The tertiary stage commonly begins from three to four years after the primary infection.
The lesions of the tertiary stage may cause great destruction of tissues and very grave consequences.
The bones of the face are frequently attacked in the tertiary stage and they rot away.
Many physicians hold that in the tertiary stage the disease is not transmissible, but that statement is not true.
Tertiary Colours are three only, citrine, russet, and olive.Field's Chromatography|George Field
British Dictionary definitions for tertiary (1 of 2)
- (of an organic compound) having a functional group attached to a carbon atom that is attached to three other groups
- (of an amine) having three organic groups attached to a nitrogen atom
- (of a salt) derived from a tribasic acid by replacement of all its acidic hydrogen atoms with metal atoms or electropositive groups
noun plural -tiaries
Word Origin for tertiary
British Dictionary definitions for tertiary (2 of 2)
Medical definitions for tertiary
Scientific definitions for tertiary
- Relating to or having a carbon atom that is attached to three other carbon atoms in a molecule.
- Relating to an organic molecule, such as an alcohol, in which the functional group is attached to a tertiary carbon.