reflector

noun

re·​flec·​tor ri-ˈflek-tər How to pronounce reflector (audio)
1
: one that reflects
especially : a polished surface for reflecting light or other radiation
2
: a telescope in which the principal focusing element is a mirror

Example Sentences

safety devices such as bicycle reflectors Reflectors are placed along the lanes of the highway.
Recent Examples on the Web This image, taken the day after the main cable break, shows additional damage to the reflector dish, enlarging the gash left by the previous auxiliary cable failure. Mark Zastrow, Discover Magazine, 19 Nov. 2020 The soft light came from a white reflector bouncing sunlight. Los Angeles Times, 21 Dec. 2022 Like cigarettes, shag carpet, and those tanning reflector things, the automobile is becoming a product that used to be normal but is now considered irredeemably evil, or at least really tacky. Eben Weiss, Outside Online, 19 Dec. 2022 These were connected by groups of 3-inch-thick (8 centimeter) suspension cables to a trio of large towers, affording the reflector a virtually unimpeded view of the sky. Ben Evans, Discover Magazine, 5 Dec. 2022 Instead, this kind of geoengineering aims to make Earth’s atmosphere a more effective solar reflector—and now the White House wants to take a closer look. Darren Orf, Popular Mechanics, 9 Nov. 2022 One interesting observation is that anomalous spikes increased in frequency the longer a CLDAP reflector remained open. Dan Goodin, Ars Technica, 28 Oct. 2022 Each Osmo starter kit comes with a base and a reflector. Nikita Charuza, Peoplemag, 3 Nov. 2022 The telescope was built into a natural sinkhole in the northwest of Puerto Rico, which offered the perfect geography to accommodate its curved, 305-meter-diameter reflector dish. Daniel Leonard, Scientific American, 20 Oct. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reflector.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1665, in the meaning defined at sense 1

Time Traveler
The first known use of reflector was in 1665

Dictionary Entries Near reflector

Cite this Entry

“Reflector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reflector. Accessed 9 Feb. 2023.

Kids Definition

reflector

noun
re·​flec·​tor ri-ˈflek-tər How to pronounce reflector (audio)
1
: one that reflects
especially : a polished surface for reflecting light or heat
2
: a telescope in which the principal light-gathering element is a mirror

Medical Definition

reflector

noun
re·​flec·​tor ri-ˈflek-tər How to pronounce reflector (audio)
: one that reflects
especially : a polished surface for reflecting light or other radiation
Last Updated: - Updated example sentences
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