Dictionary.com

deuto-

Save This Word!

a combining form meaning “second or secondary; second in order”, used in the formation of compound words: deutoplasm.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Also especially before a vowel, deut-.

Origin of deuto-

Shortening of deutero-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

WORDS THAT USE DEUTO-

What does deuto- mean?

Deuto- is a combining form used like a prefix meaning “second” or “secondary.” It is rarely used in scientific terms, especially in biology.

Deuto- comes from Greek deúteros, meaning “second.”

What are variants of deuto-?

Deuto- is a shortened form of deutero- or deuter-, as in deuteropathy.

Examples of deuto-

One example of a scientific term that features the combining form deuto- is deutoplasm, “the reserve nutritive material, as a yolk granule, in the ovarian cytoplasm.”

The form deuto- means “secondary,” as we know. So, what about the -plasm portion of the word? It has a variety of meanings, including “tissue.” Deutoplasm literally translates to “secondary tissue.”

What are some words that use the combining form deuto- or deut-?

  • deutencephalon
  • deutobromide
  • deutocarbonate
  • deutochloride
  • deuton
  • deutoplastic
  • deutovum

What are some other forms that deuto- may be commonly confused with?

Break it down!

The suffix -on is used to name subatomic particles. With this in mind, what does deuton, also known as a deuteron, literally mean?

How to use deuto- in a sentence

  • The subchloride may be directly formed, by pouring a solution of deuto-chloride of copper or iron upon silver leaf.

  • Beyond the discoveries of Chaussier, on the preservative properties of the deuto-chloride of mercury, the labours of MM.

  • No time was lost to profit by this property of the deuto-chloride of mercury, to apply it to the preservation of whole bodies.

  • Chaussier has latterly proposed the solution of the deuto-chloride of mercury, in distilled water.

FEEDBACK