Helices
ahd-5
noun.
undefined
The Century Dictionary and Cyclopedia
noun.
Plural of
helix
.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Plural form of
helix
.
Word Usage
"I now removed the helices with their soft iron cores, and replaced them by two _flat helices_ wound upon card board, each containing forty-two feet of silked copper wire, and having no associated iron."