4 thoughts on “Bi- vs Semi-

  1. Don DuBois says:

    Hi Laura,

    Love the

    pcitures from Costa Rica, but are the noseeums around
    24 hours a day … or just part of the

    day?

    I remembered talking about the meaning of the word biannual with a friend
    a few

    years ago, and we were surprised to find it means, “twice yearly”!
    (ref.

    http://www.m-w.com/dictionary/biannual ).

    Don’t know how to make sense out of that. I

    also looked it up in the Webser’s Collegiate with the same result.

    Best,
    Don

  2. Hmm, maybe that’s a case of it being misused so often that the wrong meaning becomes the

    right one?

    No-see-ums are just active at dawn and dusk.

  3. Leslie says:

    Nope, not a case of repeated

    improper use. Biannual has always meant semiannual – twice a year. Biennial, however, means

    once every two years. Your link correctly refers to biennial and semiannual, but neglects to

    mention the confusing biannual. In your note above, then, you’re saying the same thing. What

    you meant to say was: “a semiannual reading of this will help more than a biennial one.”

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