nocti-

American  

1. a combining form meaning “night,” used in the formation of compound words.

   noctilucent.

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nocti- British  

combining form

1. night

   noctilucent

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Usage

What does nocti- mean? Nocti- is a combining form used like a prefix meaning “night.” It is occasionally used in scientific terms. Nocti- comes from the Latin nox, meaning “night.” The term nocturnal, meaning "of or related to the night," also comes from this Latin root. In fact, English’s own word night is ultimately related to the Latin nox. Also ultimately related to nox is the Greek for “night,” nýx, source of the combining forms nycto- and nyct-, which you can learn about at our Words That Use articles for the forms. What are variants of nocti-?When combined with words or word elements that begin with a vowel, nocti- becomes noct-, as in noctambulism.

Etymology

Origin of nocti-

< Latin nocti-, combining form of nox night