Tagaffixes

Mono Bi Tri

Cara in San Diego, California, notes that the word monologue refers to something spoken by one person while dialogue involves two people speaking, and that a bicycle has two wheels and a unicycle has one. So why aren’t they monocycles and dicycles...

Prefix

Why does the prefix in- sometimes make a synonym rather than an antonym? In the case of invaluable, the prefix is still a negation, since it suggests that something’s value is incalculable. Michael Quinion‘s website affixes.org shows how in...