J

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does J mean? 

• J (noun)
  The noun J has 2 senses:

1. a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second

2. the 10th letter of the Roman alphabet

  Familiarity information: J used as a noun is rare.

 Dictionary entry details 

• J (noun)

Sense 1

Meaning:

A unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

J; joule; watt second

Hypernyms ("J" is a kind of...):

energy unit; heat unit; work unit (a unit of measurement for work)

Meronyms (parts of "J"):

erg (a cgs unit of work or energy; the work done by a force of one dyne acting over a distance of one centimeter)

Sense 2

Meaning:

The 10th letter of the Roman alphabet

Classified under:

Nouns denoting communicative processes and contents

Hypernyms ("J" is a kind of...):

alphabetic character; letter; letter of the alphabet (the conventional characters of the alphabet used to represent speech)

Holonyms ("J" is a member of...):

Latin alphabet; Roman alphabet (the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe)

 Context examples 

The determination of the amount of apolipoprotein J present in a sample.

(Apolipoprotein J Measurement, NCI Thesaurus)

Old Trevor was evidently a man of some wealth and consideration, a J.P. and a landed proprietor.

(The Memoirs of Sherlock Holmes, by Sir Arthur Conan Doyle)

Then ‘J.H.N.’ are the only initials we have to solve.

(The Return of Sherlock Holmes, by Sir Arthur Conan Doyle)

A measurement of the apolipoprotein J in a biological specimen.

(Apolipoprotein J Measurement, NCI Thesaurus/CDISC)

Accurate note was made of the state of things, and a doctor—Surgeon J.

(Dracula, by Bram Stoker)

This pathway is thought to play a critical role in DNA repair, V(D)J recombination and cell cycle checkpoints.

(Phosphatidylinositol 3 Kinase, NCI Thesaurus/LocusLink)

Each item is rated 0-4 on a 5-point Likert scale. (Cohen, et al, J Health Soc Behav, 24 (1983))

(Perceived Stress Scale, NCI Thesaurus)

Associate Professor Hrvoje Tkalcic and PhD Scholar Than-Son Pham from the Australia National University (ANU) studied shear waves, or 'J waves', in the Earth's inner core.

(Earth's Core Confirmed to Be Solid After 80 Years of Study, The Titi Tudorancea Bulletin)

The CBA/J mice exhibit an intermediate life span with good breeding performance.

(CBA/J Mouse, NCI Thesaurus)

This gene is involved in DNA repair and V(D)J recombination.

(NHEJ1 Gene, NCI Thesaurus)