perlite

noun
per·​lite | \ ˈpər-ˌlīt How to pronounce perlite (audio) \

Definition of perlite

: volcanic glass that has a concentric structure, appears as if composed of concretions, is usually grayish and sometimes spherulitic, and when heated expands to form a lightweight aggregate used especially in concrete and plaster and as a medium for potting plants

Keep scrolling for more

Other Words from perlite

perlitic \ ˌpər-​ˈli-​tik How to pronounce perlitic (audio) \ adjective

Examples of perlite in a Sentence

Recent Examples on the Web In a separate large container, make your potting mixture by combining perlite (an additive used to aerate soil) and potting soil. Emma Bazilian, House Beautiful, "How to Grow New Roses With Cuttings From Your Garden," 14 July 2020 If so, be sure to use a well-draining potting soil with perlite or peat moss in the mix. oregonlive, "Blooming houseplants make beautiful last-minute gifts," 21 Dec. 2019 Allow the leaf or segment to dry for a few days and then lay on moistened perlite in bright, indirect light. Thad Orr, Sunset Magazine, "Your Essential Winter Gardening To-Do List," 10 Feb. 2020 If so, then buy larger containers and fill them with loose potting soils mixed with perlite or peat moss. Washington Post, "Houseplants become more active as days get longer," 21 Jan. 2020 When repotting is needed for any succulent plant, use a potting soil that drains water quickly, made so by adding equal volumes of sand or perlite to any mix used for other types of plants. Washington Post, "Low-maintenance succulents make watering a breeze," 14 Jan. 2020 When repotting is needed for any succulent plant, use a potting soil that drains water quickly, made so by adding equal volumes of sand or perlite to any mix used for other types of plants. NBC News, "Kill all your plants? These low-maintenance options require minimal watering," 14 Jan. 2020 Stick the cuttings into a pot filled with equal amounts of peat moss and perlite. Neil Sperry, ExpressNews.com, "Night-blooming cereus can be repotted now if you have a greenhouse," 14 Nov. 2019 Then put that end in damp sand, perlite, vermiculite or even soil. Jeff Lowenfels, Anchorage Daily News, "Introducing kalanchoe, the perfect houseplant for November in the north," 21 Nov. 2019

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

See More

First Known Use of perlite

1833, in the meaning defined above

History and Etymology for perlite

French, from perle pearl

Keep scrolling for more

Learn More about perlite

Time Traveler for perlite

Time Traveler

The first known use of perlite was in 1833

See more words from the same year

Statistics for perlite

Last Updated

8 Aug 2020

Cite this Entry

“Perlite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perlite. Accessed 25 Sep. 2020.

More from Merriam-Webster on perlite

Britannica.com: Encyclopedia article about perlite

Comments on perlite

What made you want to look up perlite? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!