The difference between Arcsecond and Second

When used as nouns, arcsecond means a unit of angle, whereas second means one that is number two in a series.

Second is also adverb with the meaning: after the first.

Second is also verb with the meaning: to agree as a second person to (a proposal), usually to reach a necessary quorum of two. (see under #etymology 3 for translations.).

Second is also adjective with the meaning: number-two.

check bellow for the other definitions of Arcsecond and Second

  1. Arcsecond as a noun:

    A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.

  1. Second as an adjective:

    Number-two; following after the first one with nothing between them.

    Examples:

    "He lives on Second Street."

    "The second volume in "The Lord of the Rings" series is called "The Two Towers"."

    "You take the first one, and I'll have the second."

  2. Second as an adjective:

    Next to the first in value, power, excellence, dignity, or rank; secondary; subordinate; inferior.

  3. Second as an adjective:

    Being of the same kind as one that has preceded; another.

  1. Second as an adverb (with superlative):

    After the first; at the second rank.

    Examples:

    "Saturn is the second largest planet."

  2. Second as an adverb:

    After the first occurrence but before the third.

    Examples:

    "He is batting second today."

  1. Second as a noun:

    One that is number two in a series.

  2. Second as a noun:

    One that is next in rank, quality, precedence, position, status, or authority.

  3. Second as a noun:

    The place that is next below or after first in a race or contest.

  4. Second as a noun (usually in the plural):

    A manufactured item that, though still usable, fails to meet quality control standards.

    Examples:

    "They were discounted because they contained blemishes, nicks or were otherwise factory seconds."

  5. Second as a noun (usually in the plural):

    An additional helping of food.

    Examples:

    "That was good barbecue. I hope I can get seconds."

  6. Second as a noun:

    A chance or attempt to achieve what should have been done the first time, usually indicating success this time around. (See second-guess.)

  7. Second as a noun (music):

    The interval between two adjacent notes in a diatonic scale (either or both of them may be raised or lowered from the basic scale via any type of accidental).

  8. Second as a noun:

    The second gear of an engine.

  9. Second as a noun (baseball):

    Second base.

  10. Second as a noun:

    The agent of a party to an honour dispute whose role was to try to resolve the dispute or to make the necessary arrangements for a duel.

  11. Second as a noun:

    A Cub Scout appointed to assist the sixer.

  1. Second as a verb (transitive):

    To agree as a second person to (a proposal), usually to reach a necessary quorum of two. (See under #Etymology 3 for translations.)

    Examples:

    "I second the motion."

  2. Second as a verb:

    To follow in the next place; to succeed.

  3. Second as a verb (climbing):

    To climb after a lead climber.

  1. Second as a noun:

    One-sixtieth of a minute; the SI unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground state at a temperature of absolute zero and at rest.

  2. Second as a noun:

    A unit of angle equal to one-sixtieth of a minute of arc or one part in 3600 of a degree.

  3. Second as a noun (informal):

    A short, indeterminate amount of time.

    Examples:

    "I'll be there in a second."

  1. Second as a verb (transitive, UK):

    To transfer temporarily to alternative employment.

  2. Second as a verb (transitive):

    To assist or support; to back.

  3. Second as a verb (transitive):

    To agree as a second person to (a proposal), usually to reach a necessary quorum of two. (This may come from the English adjective above.)

    Examples:

    "I second the motion."

  1. Second as a noun:

    One who supports another in a contest or combat, such as a dueller's assistant.

  2. Second as a noun:

    One who supports or seconds a motion, or the act itself, as required in certain meetings to pass judgement etc.

    Examples:

    "If we want the motion to pass, we will need a second."

  3. Second as a noun (obsolete):

    Aid; assistance; help.

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