1. megacycle per second

noun. One million periods per second.
Synonyms
megacycle kc kilohertz kHz megahertz MHz rate kilocycle Mc kilocycle per second
Antonyms
acceleration deceleration upgrade downgrade

2. second-rate

adjective. Moderate to inferior in quality.
Synonyms
mediocre inferior
Antonyms
superior extraordinary good

3. megacycle

noun. One million periods per second.
Synonyms
kc kilohertz kHz megahertz MHz rate kilocycle megacycle per second Mc kilocycle per second
Antonyms
acceleration deceleration upgrade downgrade

4. second

adjective. (ˈsɛkənd) Coming next after the first in position in space or time or degree or magnitude.
Synonyms
2d 2nd ordinal
Antonyms
cardinal lower beseeching slow
Etymology
second (English)
seconde (Old French (842-ca. 1400))
secunda (Latin)
seconder (Middle French (ca. 1400-1600))
secundo (Latin)
secont (Old French (842-ca. 1400))
secundus (Latin)

5. second

noun. (ˈsɛkənd) 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites.
Synonyms
leap second min millisecond sec unit of time minute time unit msec s
Antonyms
anterior negate stay in place forward veer
Etymology
second (English)
seconde (Old French (842-ca. 1400))
secunda (Latin)
seconder (Middle French (ca. 1400-1600))
secundo (Latin)
secont (Old French (842-ca. 1400))
secundus (Latin)

6. second

adverb. (ˈsɛkənd) In the second place.
Synonyms
secondly
Antonyms
past future
Etymology
second (English)
seconde (Old French (842-ca. 1400))
secunda (Latin)
seconder (Middle French (ca. 1400-1600))
secundo (Latin)
secont (Old French (842-ca. 1400))
secundus (Latin)

7. second

noun. (ˈsɛkənd) An indefinitely short time.
Synonyms
blink of an eye trice instant time moment twinkling minute flash bit mo New York minute heartbeat jiffy wink split second
Antonyms
boycott disapproval invalidate disprove disagree
Etymology
second (English)
seconde (Old French (842-ca. 1400))
secunda (Latin)
seconder (Middle French (ca. 1400-1600))
secundo (Latin)
secont (Old French (842-ca. 1400))
secundus (Latin)

8. second

noun. (ˈsɛkənd) The fielding position of the player on a baseball team who is stationed near the second of the bases in the infield.
Synonyms
position baseball team second base
Antonyms
postmeridian antemeridian inconsequence insignificance
Etymology
second (English)
seconde (Old French (842-ca. 1400))
secunda (Latin)
seconder (Middle French (ca. 1400-1600))
secundo (Latin)
secont (Old French (842-ca. 1400))
secundus (Latin)

9. second

noun. (ˈsɛkənd) Following the first in an ordering or series.
Synonyms
rank latter
Antonyms
former front fore
Etymology
second (English)
seconde (Old French (842-ca. 1400))
secunda (Latin)
seconder (Middle French (ca. 1400-1600))
secundo (Latin)
secont (Old French (842-ca. 1400))
secundus (Latin)

10. second

noun. (ˈsɛkənd) A 60th part of a minute of arc.
Synonyms
arcsecond arcminute minute of arc minute angular unit
Antonyms
irrelevance unpointedness begin sweet disapprove
Etymology
second (English)
seconde (Old French (842-ca. 1400))
secunda (Latin)
seconder (Middle French (ca. 1400-1600))
secundo (Latin)
secont (Old French (842-ca. 1400))
secundus (Latin)
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