3RD

 Dictionary entry overview: What does 3rd mean? 

• 3RD (adjective)
  The adjective 3RD has 1 sense:

1. coming next after the second and just before the fourth in position

  Familiarity information: 3RD used as an adjective is very rare.

 Dictionary entry details 

• 3RD (adjective)

Sense 1

Meaning:

Coming next after the second and just before the fourth in position

Synonyms:

3rd; tertiary; third

Similar:

ordinal (being or denoting a numerical order in a series)

 Context examples 

Polyunsaturated fatty acid with 16 carbons and 3 double bonds at the 3rd, 6th, and 9th carbons from the methyl end.

(Hexadecatrienoic Acid n-3, NCI Thesaurus/CRCH)

Monounsaturated fatty acid with 12 carbons and the double bond on the 3rd carbon from the methyl end.

(Lauroleic Acid, NCI Thesaurus/CRCH)

A polyunsaturated long-chain fatty acid with a 16-carbon backbone and 3 double bonds originating from the 3rd, 6th and 9th positions from the methyl end.

(Hexadecatrienoic Acid n-3, NCI Thesaurus)

The overall prognosis of gastric adenocarcinomas is poor, even in patients who receive a "curative" resection (adapted from Sternberg's Surgical Pathology, 3rd ed., 1999).

(Gastric Adenocarcinoma, NCI Thesaurus)

I have hardly taken out a gun since the 3rd.

(Mansfield Park, by Jane Austen)

Polyunsaturated fatty acid with 20 carbons and 3 double bonds at the 3rd, 6th, and 9th carbons from the methyl end.

(Eicosatrienoic Acid n-3, NCI Thesaurus/CRCH)

Polyunsaturated fatty acid with 18 carbons and 3 double bonds at the 3rd, 6th, and 9th carbons from the methyl end.

(Linolenic Acid, NCI Thesaurus/CRCH)

A polyunsaturated long-chain fatty acid with an 18-carbon backbone and double bonds originating from the 3rd position and either the 6th or 7th position from the methyl end.

(Octadecadienoic Acid n-3, NCI Thesaurus)

A polyunsaturated long-chain fatty acid with an 18-carbon backbone and 4 double bonds originating from the 3rd, 5th, 7th and 9th positions from the methyl end.

(Parinaric Acid, NCI Thesaurus)

Polyunsaturated fatty acid with 18 carbons and 4 double bonds at the 3rd, 6th, 9th, and 12th carbons from the methyl end.

(Parinaric Acid n-3, NCI Thesaurus/CRCH)