English word optical comes from English optic, English -al
| Dictionary entry | Language | Definition |
|---|---|---|
| optic | English (eng) | (now, _, humorous) An eye.. A lens or other part of an optical instrument that interacts with light.. A measuring device with a small window, attached to an upside-down bottle, used to dispense alcoholic drinks in a bar. Of, or relating to optics or optical instruments.. Of, or relating to the eye or to vision. |
| -al | English (eng) | (organic chemistry) Forms the names of aldehydes. Forming nouns, especially of verbal action.. Of or pertaining to. Adjectival suffix appended to various words, often nouns, to make an adjective form. Often added to words of Latin origin, but used with other words also. |
| optical | English (eng) | Designed to assist or enhance sight. Incorporating light-sensitive devices. Of, or relating to optics. Of, or relating to sight; visual. Of, or relating to visible light. |