next after the first; being the ordinal number for two.
being the latter of two equal parts.
next after the first in place, time, or value:
the second house from the corner.
next after the first in rank, grade, degree, status, or importance:
the second person in the company.
I have my hair cut every second week.
Grammar. noting or pertaining to the second person.
Music. being the lower of two parts for the same instrument or voice:
second horn; second alto.
other or another:
a second Solomon.
Automotive. of, relating to, or operating at the gear transmission ratio at which drive shaft speed is greater than that of low gear but not so great as that of other gears for a given engine crankshaft speed:
a second part.
the second member of a series.
a person who aids or supports another; assistant; backer.
Boxing. a person who, between rounds of a prizefight, gives aid, advice, etc., to a boxer.
a person who serves as a representative or attendant of a duelist.
Automotive. second gear.
a person or thing that is next after the first in place, time, or value.
a person or thing that is next after the first in rank, grade, degree, status, or importance.
Usually, seconds. an additional helping of food:
He had seconds on the meat and potatoes.
a person who expresses formal support of a motion so that it may be discussed or put to a vote.
an act or instance of doing this.
(in certain British universities) a type or grade of college degree granted according to a student’s performance on specific written and oral examinations.
a tone on the next degree from a given tone.
the interval between such tones.
the harmonic combination of such tones.
the lower of two parts in a piece of concerted music.
a voice or instrument performing such a part.
Usually, seconds. Commerce. goods below the first or highest quality, especially containing visible flaws.
Compare first (def 17), third (def 12).
Metallurgy. a piece of somewhat defective but salable tin plate.
Baseball. second base.
verb (used with object)
to assist or support.
to further or advance, as aims.
(in parliamentary procedure) to express formal support of (a motion, proposal, etc.), as a necessary preliminary to further discussion or to voting.
to act as second to (a boxer, duelist, etc.).
in the second place, group, etc.; secondly:
The catcher is batting second.
verb (used with object)
British. to transfer (an officer, official, or the like) temporarily to another post.
adjective (usually prenominal)
coming directly after the first in numbering or counting order, position, time, etc; being the ordinal number of two: often written 2nd
(as noun): the second in line
rated, graded, or ranked between the first and third levels
alternate: every second Thursday
additional; extra: a second opportunity
resembling a person or event from an earlier period of history; unoriginal: a second Wagner
of lower quality; inferior: belonging to the second class
denoting the lowest but one forward ratio of a gearbox in a motor vehicle
relating to or denoting a musical part, voice, or instrument lower in pitch than another part, voice, or instrument (the first): the second tenors
of or relating to a part, instrument, or instrumentalist regarded as subordinate to another (the first): the second flute
at second hand, by hearsay
(Brit, education) an honours degree of the second class, usually further divided into an upper and lower designation Full term second-class honours degree
the lowest but one forward ratio of a gearbox in a motor vehicle: he changed into second on the bend
(in boxing, duelling, etc) an attendant who looks after a competitor
a speech seconding a motion or the person making it
the interval between one note and another lying next above or below it in the diatonic scale
one of two notes constituting such an interval in relation to the other See also minor (sense 4), major (sense 14), interval (sense 5)
(pl) goods of inferior quality
(pl) (informal) a second helping of food
(pl) the second course of a meal
to give aid or backing to
(in boxing, etc) to act as second to (a competitor)
to make a speech or otherwise express formal support for (a motion already proposed)
Also secondly. in the second place
Also secondly. as the second point: linking what follows with the previous statement
1/60 of a minute of time
the basic SI unit of time: the duration of 9 192 631 770 periods of radiation corresponding to the transition between two hyperfine levels of the ground state of caesium-133 s
1/60 of a minute of angle ″
a very short period of time; moment
verb (transitive) (Brit)
to transfer (an employee) temporarily to another branch, etc
(military) to transfer (an officer) to another post, often retiring him to a staff or nonregimental position
second sec·ond2 (sěk’ənd)
Coming next after the first in order, place, rank, time, or quality.
Being the next closest to the innermost digit, especially on the foot.
A unit of time equal to 1/60 of a minute. ◇ A sidereal second is 1/60 of a sidereal minute, and a mean solar second is 1/60 of a mean solar minute. See more at sidereal time, solar time.
A unit of angular measurement, such as longitude or right ascension, equal to 1/60 of a minute of arc.
noun 1. an international association formed in 1889 in Paris, uniting socialistic groups or parties of various countries and holding international congresses from time to time: in 1923 it joined with the Vienna International to form the Labor and Socialist International. Compare international (def 6). Second International noun 1. the Second International, an international association […]
noun 1. a language learned by a person after his or her native language, especially as a resident of an area where it is in general use. 2. a language widely used, especially in educational and governmental functions in a region where all or most of its speakers are nonnative, as English in India or […]
noun, Physics. 1. See under law of motion. law of motion noun, Physics. 1. any of three laws of classical mechanics, either the law that a body remains at rest or in motion with a constant velocity unless an external force acts on the body (first law of motion) the law that the sum of […]
noun 1. See under law of thermodynamics (def 1). law of thermodynamics noun 1. any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process […]