hartley

H4A1R1T1L1E1Y4
UK/ˈhɑːtli/US/ˈhɑɹtli/

noun

A unit of information (symbol Hart) representing the information content of an event if the probability of that event occurring is 1/10. It is therefore equal to the information contained in one decimal digit

Similar
Less commonScrabble 13

Meanings

hartley1

nounhartley (plural hartleys)

plural hartleys

  1. A unit of information (symbol Hart) representing the information content of an event if the probability of that event occurring is 1/10. It is therefore equal to the information contained in one decimal digit

Hartley2

proper nounHartley (countable and uncountable, plural Hartleys)

plural Hartleys · alternative Artley

  1. A place in England:
    1. countableuncountableA village and civil parish in Westmorland and Furness, Cumbria, previously in Eden district (OS grid ref NY7808).
    2. countableuncountableA suburb of Plymouth, Devon (OS grid ref SX488325).
    3. countableuncountableA village and civil parish in Sevenoaks district, Kent (OS grid ref TQ605675).
    4. countableuncountableA village in Cranbrook and Sissinghurst parish, Tunbridge Wells district, Kent (OS grid ref TQ7534).
    5. countableuncountableA suburb of Seaton Sluice, Northumberland, on the border with Tyne and Wear (OS grid ref NZ3375)
  2. A place in the United States:
    1. countableuncountableA city and township in O'Brien County, Iowa.
    2. countableuncountableA township in Union County, Pennsylvania.
    3. countableuncountableA census-designated place in Hartley County, Texas.
    4. abbreviationcountableellipsisuncountableEllipsis of Hartley County.
  3. countableuncountableA locality in the Lithgow council area, eastern New South Wales, Australia.
  4. countableA habitational surname from Old English.

Synonyms & antonyms

nouna logarithmic unit which measures information or entropy, based on base 10 logarithms and powers of 10.

Similar
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

hartley · noun

Named after Ralph Hartley (1888–1970), electronics researcher.

Full word history & related roots →

Hartley · proper noun

  1. Old Englishheorot“hart, stag”
  2. EnglishHartley

From Old English heorot (“hart, stag”) + lēah (“woodland clearing, glade”). Equivalent to hart + -ley (“lea”).

Full word history & related roots →

Rhymes & wordplay

Rhymes with hartley

All rhymes →

Anagrams

Cite this entry
APA

hartley. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/hartley

MLA

“hartley.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hartley. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “hartley,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/hartley.

Source: hartley on Wiktionary, CC BY-SA 4.0.