Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

  • Word of the Day

    shaI st@r

    a person, usu. a lawyer, who uses underhanded, unethical methods.
    That shyster accepted her fee for his services but did almost nothing for her.

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  • Vocabulary of the Day

    neI seI @r

    a person who refuses, denies, or opposes, esp. because of cynicism or pessimism.
    They went ahead with their ambitious plan despite the arguments of the naysayers.

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Posted in Word of the Day by admin

neb yə lə
1. a cloud of interstellar dust or gas or both, that may appear as either a light or dark mass depending on how it absorbs, reflects, or re-emits incident radiation.
2. a similar luminous mass of stars too far away to be seen as individual bodies; galactic nebula.

Word History  Nebula is a Latin word that means “cloud or mist.” It entered the English language in the 1500s as a term for the clouding of the eye we now call a “cataract.” In the 1700s, “nebula” became a term in astronomy.