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collimator
collimator
/ˈkɒlɪˌmeɪtər/
noun
Optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
(
collimator
)
optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
The scientist used the collimator to ensure the light rays were parallel before entering the experimental chamber.
The scientist used the collimator to ensure the light rays were parallel before entering the experimental chamber.
A small telescope attached to a large telescope to use in setting the line of the larger one
(
collimator
)
a small telescope attached to a large telescope to use in setting the line of the larger one
The astronomer adjusted the collimator to ensure the telescope was correctly aligned.
The astronomer adjusted the collimator to ensure the telescope was correctly aligned.
aircraft
aircraft
/ˈɛrˌkræft/
noun
(
)
A vehicle that can fly
(
aircraft
)
a vehicle that can fly
The new aircraft is equipped with the latest technology
The new aircraft is equipped with the latest technology
genus Peziza
genus Peziza
/ˈdʒiːnəs pɛˈziːzə/
noun
Type genus of the Pezizaceae: a variety of cup fungus
(
genus Peziza
,
Peziza
)
type genus of the Pezizaceae: a variety of cup fungus
Crotalus tigris
Crotalus tigris
/krə'tæləs 'taɪgrɪs/
noun
Having irregularly cross-banded back; of arid foothills and canyons of southern Arizona and Mexico
(
Crotalus tigris
,
tiger rattlesnake
)
having irregularly cross-banded back; of arid foothills and canyons of southern Arizona and Mexico
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