10-letter words containing opt
- adoptively — in an adoptive manner; by adoption
- balopticon — a type of stereopticon for projecting images of objects by reflected light.
- catoptrics — the branch of optics concerned with reflection, esp the formation of images by mirrors
- coleoptera — the largest order in the animal kingdom; the beetles
- coleoptile — a protective sheath around the plumule in grasses
- cooptation — to elect into a body by the votes of the existing members.
- cooptative — to elect into a body by the votes of the existing members.
- elaeoptene — eleoptene
- fiberoptic — of or relating to instruments utilizing fiber optics.
- goloptious — voluptuous
- gyrocopter — autogiro.
- helicopter — any of a class of heavier-than-air craft that are lifted and sustained in the air horizontally by rotating wings or blades turning on vertical axes through power supplied by an engine.
- hemoptysis — the expectoration of blood or bloody mucus.
- homopteran — homopterous.
- hypoptilum — (ornithology) An aftershaft.
- isopterous — belonging or pertaining to social insects of the order Isoptera, comprising the termites.
- mecopteran — mecopterous.
- monopteral — having the form of a monopteron.
- monopteron — a classical building having a single outer colonnade surrounding a central structure or a courtyard.
- monopteros — monopteron.
- monopthong — Misspelling of monophthong.
- nonoptimal — not optimal
- optatively — In an optative way.
- optic axis — (in a crystal exhibiting double refraction) the direction or directions, uniaxial or biaxial, respectively, along which this phenomenon does not occur.
- optic disc — a small oval-shaped area on the retina marking the site of entrance into the eyeball of the optic nerve
- optic disk — blind spot (sense 1)
- optimality — The property of being optimal.
- optimising — to make as effective, perfect, or useful as possible.
- optimistic — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- optimizing — Something whose purpose is to optimize.
- optionable — the power or right of choosing.
- optionally — left to one's choice; not required or mandatory: Formal dress is optional.
- optologist — a person who tests eyes for lenses
- optometric — Of or pertaining to optometry.
- optophobia — The fear of opening one's eyes.
- orthoptera — Any of very many four-winged insects, of the order Orthoptera, such as grasshoppers, crickets and locusts.
- orthoptics — a method of exercising the eye and its muscles in order to cure strabismus or improve vision.
- orthoptist — One who practices orthoptics.
- panopticon — a building, as a prison, hospital, library, or the like, so arranged that all parts of the interior are visible from a single point.
- put option — put (def 24).
- quadcopter — A rotorcraft propelled by four rotors.
- readoption — the adoption of something or someone again
- spellstopt — immobilized by magic
- suboptimal — being below an optimal level or standard.
- supraoptic — above the optic chiasm
- unoptional — left to one's choice; not required or mandatory: Formal dress is optional.
- zygopteran — belonging or pertaining to the suborder Zygoptera, comprising the damselflies.
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