low mass

noun, often capitalized L&M

Definition of low mass

: a mass that is recited without singing by the celebrant, without a deacon, subdeacon, or choir assisting the celebrant, and without the use of incense

Examples of low mass in a Sentence

Recent Examples on the Web

In order to calculate the low mass of the lightest neutrino, data from 1.1 million galaxies collected by particle physicists and cosmologists was used. Ashley Strickland, CNN, "Scientists share new details about mysterious 'ghost particle'," 22 Aug. 2019 The researchers cited low mass, and the resultant low costs, as the benefits of such comparatively tiny satellites. The Economist, "A new business in small satellites orbiting the Earth," 15 June 2019 Here is a diagram: Ideally, the pulley would have a very low mass (compared with the two hanging masses) and hopefully very low friction on the axle. Rhett Allain, WIRED, "Post-Apocalyptic Survival Skills: How to Measure Acceleration," 10 June 2019 Neither a neutron star so massive nor a black hole with such a low mass has ever been discovered. Laney Ruckstuhl, BostonGlobe.com, "Cambridge NASA observatory data reveals what is probably lowest-mass black hole ever seen," 7 June 2018 Carbon fibers, which are generally woven into a fabric, possess desirable qualities such as high tensile strength, low mass, high temperature tolerance, and low thermal expansion. Eric Berger, Ars Technica, "Elon Musk shows off a new tooling for the BFR spaceship," 9 Apr. 2018 The low mass can be attributed to the carbon composite bodywork and the aluminum structure, as well as extensive use of carbon fiber throughout the minimalist cabin. Tony Markovich, Car and Driver, "Lightweight Limbo: Lotus Applies Familiar Formula to Final 3-Eleven 430," 22 Feb. 2018 Besides its lower mass, the GTS coupe's Roomba-like ground-hugging stance looks menacing with the satin black center-lock wheels. Jeff Yip, Houston Chronicle, "Fast mover: 911 Carrera GTS is pure Porsche and loaded for bear," 26 Jan. 2018 The two neutron stars that merged here have a relatively low mass: they were estimated at about 1.1 to 1.6 times the mass of the Sun, compared to black holes that have been greater than 20 solar masses. John Timmer, Ars Technica, "Neutron stars collide, solve major astronomical mysteries," 16 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'low mass.' 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 low mass

1531, in the meaning defined above

Keep scrolling for more

Learn More about low mass

Statistics for low mass

Last Updated

6 Sep 2019

Look-up Popularity

Time Traveler for low mass

The first known use of low mass was in 1531

See more words from the same year

More from Merriam-Webster on low mass

Rhyming Dictionary: Words that rhyme with low mass

Comments on low mass

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


concealment of treason or felony

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.


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

Love words? Need even more definitions?

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