WordNet Search - 3.1

Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations

Display options for sense: (gloss) "an example sentence"

- S: (n) second, sec,
**s**(1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites) *direct hyponym*/*full hyponym**part meronym**direct hypernym*/*inherited hypernym*/**sister term**- S: (n) time unit, unit of time (a unit for measuring time periods)
- S: (n) day, twenty-four hours, twenty-four hour period, 24-hour interval, solar day, mean solar day (time for Earth to make a complete rotation on its axis)
*"two days later they left"; "they put on two performances every day"; "there are 30,000 passengers per day"* - S: (n) night (the dark part of the diurnal cycle considered a time unit)
*"three nights later he collapsed"* - S: (n) mean time, mean solar time ((astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator))
- S: (n) terrestrial time, TT, terrestrial dynamical time, TDT, ephemeris time ((astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions)
- S: (n) month (a time unit of approximately 30 days)
*"he was given a month to pay the bill"* - S: (n) sidereal day, day (the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day)
- S: (n) bell, ship's bell ((nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m.)
- S: (n) hour, hr, 60 minutes (a period of time equal to 1/24th of a day)
*"the job will take more than an hour"* - S: (n) half-hour, 30 minutes (a half of an hour)
- S: (n) quarter-hour, 15 minutes (a quarter of an hour)
- S: (n) minute, min (a unit of time equal to 60 seconds or 1/60th of an hour)
*"he ran a 4 minute mile"* - S: (n) quarter (a unit of time equal to 15 minutes or a quarter of an hour)
*"it's a quarter til 4"; "a quarter after 4 o'clock"* - S: (n) second, sec,
**s**(1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites) - S: (n) attosecond (one quintillionth (10^-18) of a second; one thousandth of a femtosecond)
- S: (n) femtosecond (one quadrillionth (10^-15) of a second; one thousandth of a picosecond)
- S: (n) picosecond (one trillionth (10^-12) of a second; one thousandth of a nanosecond)
- S: (n) nanosecond (one billionth (10^-9) of a second; one thousandth of a microsecond)
- S: (n) microsecond (one millionth (10^-6) of a second; one thousandth of a millisecond)
- S: (n) millisecond, msec (one thousandth (10^-3) of a second)
*part holonym*- S: (n) sulfur,
**S**, sulphur, atomic number 16 (an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)) - S: (n) south, due south, southward,
**S**(the cardinal compass point that is at 180 degrees) - S: (n) mho, siemens, reciprocal ohm,
**S**(a unit of conductance equal to the reciprocal of an ohm) - S: (n)
**S**,**s**(the 19th letter of the Roman alphabet) - S: (n) randomness, entropy,
**S**((thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work)*"entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity"*