12TH

 Dictionary entry overview: What does 12th mean? 

• 12TH (adjective)
  The adjective 12TH has 1 sense:

1. coming next after the eleventh and just before the thirteenth in position

  Familiarity information: 12TH used as an adjective is very rare.

 Dictionary entry details 

• 12TH (adjective)

Sense 1

Meaning:

Coming next after the eleventh and just before the thirteenth in position

Synonyms:

12th; twelfth

Similar:

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

 Context examples 

A polyunsaturated long-chain fatty acid with a 20-carbon backbone and 5 double bonds, originating from the 3rd, 6th, 9th, 12th and 15th positions from the methyl end.

(Icosapent, NCI Thesaurus)

Polyunsaturated fatty acid with 20 carbons and 5 double bonds at the 3rd, 6th, 9th, 12th and 15th carbons from the methyl end.

(Icosapent, NCI Thesaurus/CRCH)

A polyunsaturated long-chain fatty acid with a 20-carbon backbone and 3 double bonds, originating from the 9th, 12th and 15th positions from the methyl end, with all bonds in the cis- configuration.

(Mead Acid, NCI Thesaurus)

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

(Gamolenic Acid, NCI Thesaurus/CRCH)

The period of gestation that ranges from the first day of the last menstrual period in a woman up to the 12th week of her pregnancy.

(First Trimester, NCI Thesaurus)

We left Charing Cross on the morning of the 12th, got to Paris the same night, and took the places secured for us in the Orient Express.

(Dracula, by Bram Stoker)

Polyunsaturated fatty acid with 21 carbons and 5 double bonds at the 3rd, 6th, 9th, 12th and 15th carbons from the methyl end.

(Fatty Acid 21:5 n-3, NCI Thesaurus/CRCH)

Polyunsaturated fatty acid with 20 carbons and 3 double bonds at the 9th, 12th, and 15th carbon from the methyl end.

(Mead Acid, NCI Thesaurus/CRCH)

A polyunsaturated long-chain fatty acid with an 18-carbon backbone and double bonds originating from the 9th position and the 11th, 12th, 13th or 14th positions from the methyl end.

(Octadecadienoic Acid n-9, NCI Thesaurus)

On the 12th of June, 1745, for instance, a sum of seventy pounds had plainly become due to someone, and there was nothing but six crosses to explain the cause.

(Treasure Island, by Robert Louis Stevenson)