Antonyms
Synonyms

2. optical

adjective. ['ˈɑːptɪkəl'] relating to or using sight.

Antonyms

Synonyms

Etymology

  • optical (English)
  • -al (English)
  • optic (English)
  • opticus (Latin)

8. fusion

noun. ['ˈfjuːʒən'] the act of fusing (or melting) together.

Antonym.com