THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST
Origin of derm
Definition for derm (2 of 3)
Definition for derm (3 of 3)
Origin of -derm
WORDS THAT USE DERM- OR -DERM
Basic definitions of derm- and -derm
Derm- and -derm are combining forms used for various senses related to “skin.” They both come from the Greek dérma, meaning “skin.”
What does derm- mean?
Derm- is a combining form used like a prefix meaning “skin.” It is a variant of dermato-, which you can learn more about in our Words That Use article for the form. Derm- is used in some medical terms.
What does -derm mean?
The combining form –derm is used like a suffix meaning “skin.” It is a variant of -dermatous or -dermis, which you can learn more about in our Words That Use articles for the forms. The form –derm appears in many scientific words.
Examples of derm- used like a prefix
Dermal is not a big word, but it is one most of us probably don’t see very often. We can put our knowledge of word roots to use by decoding it.
The first part of the word, derm-, refers to the “skin.” The second part of the word, -al, means “of the kind of, pertaining to, having the form or character of.” So, dermal literally means “of or relating to the skin.”
What are some words that use or are related to the combining form derm-?
- dermis (from epidermis)
- dermestid (using the equivalent form of derm- in Greek)
What are some other forms that derm- may be commonly confused with?
Break it down!
The suffix -oid means “resembling” or “like.” Based on the meaning of derm-, what does dermoid mean?
Examples of -derm used like a suffix
A pachyderm can refer to animals like elephants and rhinos. Figuratively, it can refer to someone who is not sensitive to criticism.
The -derm part of the word means “skin.” The first part, pachy-, is a combining form meaning “thick.” So, a pachyderm literally translates to “thick-skinned.”
What are some words that use or are related to the combining form –derm?
What are some other forms that –derm may be commonly confused with?
Break it down!
Mesoderm is “the middle germ layer of a metazoan embryo.” Given that the meso- part of the word means “middle,” what does mesoderm literally translate to?