a person or thing that indicates, signals, or points out.
a pointing or directing mechanism, as a pointer on the dial of an instrument to show pressure, temperature, speed, volume, etc., or a moveable icon in the graphical user interface of a computer or other device: The fuel indicator was pointing to empty.Move the indicator to the edge of the browser and drag to resize the window.
an instrument that indicates the condition of a machine or the like.
an instrument for measuring and recording variations of pressure in the cylinder of an engine.
a substance, as litmus, that indicates the presence or concentration of a certain constituent.
a substance often used in a titration to indicate the point at which the reaction is complete.
Ecology. a plant, animal, or species that indicates, by its presence in a given area, the existence of certain environmental conditions.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use indicator in a sentence
A person’s biological age is a way of assessing how rapidly a person is aging based on a number of indicators.What’s your biological age? A new app promises to reveal it—and help you slow the aging process | Jeremy Kahn | September 17, 2020 | Fortune
Asia is a good indicator, it’s coming out a bit faster than Europe, those trends are stimulating the market.‘We’re about hiring journalists’: Insider Inc. launches third global news hub in Singapore | Lucinda Southern | September 17, 2020 | Digiday
The proposed legislation would extend the weekly $600 unemployment benefits for those who qualify “for the duration of the recession by tying continued enhanced unemployment insurance to the health crisis and economic indicators.”Why lawmakers may choose a more targeted approach for the second round of COVID stimulus | Aric Jenkins | September 16, 2020 | Fortune
Without those indicators of myocarditis, it’s hard to say if the heart had this condition, she says.College athletes show signs of possible heart injury after COVID-19 | Aimee Cunningham | September 11, 2020 | Science News
This includes adding any new individual race polling, changes in the national environment and special election environment variables, quarterly and 48-hour FEC reports, new economic indicators, primary election outcomes and candidate status changes.The Forecast: The Methodology Behind Our 2020 Election Model | Daniel Malloy | September 10, 2020 | Ozy
But those few protestors were an indicator of how much has changed since the Cuban Revolution of 1959.Aging Cuban Exiles And Their Lawmakers Bypassed by White House | Romina Ruiz-Goiriena | December 17, 2014 | THE DAILY BEAST
In a country with a constitution that values secularism, religion is still the prime indicator of morality and goodness.The Good Wife’s Religion Politics: Voters Have No Faith in Alicia's Atheism | Regina Lizik | November 24, 2014 | THE DAILY BEAST
The forums and message boards all cite “waking up to loose strands on your pillow” as a real indicator of significant hair loss.Birth Control Made My Hair Fall Out, and I’m Not the Only One | Molly Oswaks | October 14, 2014 | THE DAILY BEAST
And if the reaction from community leaders around the country is any indicator, others are proud as well.Eric Holder Exit Interview: Why He’ll Always Be an African American Icon | Joshua DuBois | September 26, 2014 | THE DAILY BEAST
Dawkins is an adept cultural fire-conductor; the title of his bestselling book The God Delusion gives a clear indicator why.
On the way we were greatly excited to see the bladder of an indicator net smoking.Gallipoli Diary, Volume I | Ian Hamilton
To this general swell pedal (and its corresponding indicator key) any or all of the other swell pedals may be coupled at will.
By means of this visible indicator key the organist is always aware of the position of the swell shutters.
As the organist closes his pedal, the indicator key again moves upward into its normal position.
The “hour glass” was another form of time indicator, which was capable of uniform, though extremely limited, action.The Wonder Book of Knowledge | Various
British Dictionary definitions for indicator
something that provides an indication, esp of trends: See economic indicator
a device to attract attention, such as the pointer of a gauge or a warning lamp
an instrument that displays certain operating conditions in a machine, such as a gauge showing temperature, speed, pressure, etc
a device that records or registers something, such as the movements of a lift, or that shows information, such as arrival and departure times of trains
(as modifier): indicator light
Also called: blinker a device for indicating that a motor vehicle is about to turn left or right, esp two pairs of lights that flash when operated or a pair of trafficators
Also called: dial gauge a delicate measuring instrument used to determine small differences in the height of mechanical components. It consists of a spring-loaded plunger that operates a pointer moving over a circular scale
a substance used in titrations to indicate the completion of a chemical reaction, usually by a change of colour
a substance, such as litmus, that indicates the presence of an acid or alkali
Also called: indicator species ecology
a plant or animal species that thrives only under particular environmental conditions and therefore indicates these conditions where it is found
a species of plant or animal whose well-being confirms the well-being of other species in the area
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for indicator
A chemical compound that changes color and structure when exposed to certain conditions and is therefore useful for chemical tests. Litmus, for example, is an indicator that becomes red in the presence of acids and blue in the presence of bases.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.