The origin of the prefix mega- is an ancient Greek word which meant “large.” This prefix appears in a somewhat “large” number of “large” English vocabulary words, such as megaphone, megahit, and megabyte.

Is micro a prefix?

Micro-: Prefix meaning small, as in microcephaly (small head) and microsomia (small body). The opposite of micro- is macro-.

What is the root word of sound?

The Greek root word phon means “sound.” This word root is the word origin of a number of English vocabulary words, including microphone, phone, and saxophone. An easy way to remember that phon means “sound” is through the word symphony, which is many instruments making a “sound” together.