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Related to dwell: habitat

dwell (up)on (someone or something)

1. To obsessively think or worry about something. Try not to dwell on this rejection, honey. There are plenty of other nice boys you can ask to the dance. He dwelt upon what had gone wrong in the meeting for years afterward.
2. To inhabit a particular place or surface. I want to become a scientist and study the creatures that dwell upon other planets. That type of animal dwells exclusively on land.
See also: dwell

dwell in an/(one's) ivory tower

To reside or exist in a place or among a social circle that is characterized by effete academic intelligence and thus is out of touch with or aloof from the realities of life. I don't put much weight in the advice of a bunch of economists dwelling in their ivory towers who've never worked a real job in their lives. It seemed easy to solve all the world's problems when I was dwelling in an ivory tower. Now that I'm out of college, I realize things are so much more complex than I'd imagined.
See also: dwell, ivory, tower
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

dwell (up)on someone or something

to remain on the [important] subject of someone or something for a long time. (Upon is formal and less commonly used than on.) I can't dwell upon this subject anymore. There is no need to dwell on Sarah further.
See also: dwell, on

dwell (up)on something

to live on something, such as the planet Earth. (Upon is more formal than on.) This is the largest turtle that dwells upon the earth. Many creatures dwell on this earth.
See also: dwell, on

*in an ivory tower

Fig. in a place, such as a university, where one can be aloof from the realities of living. (Typ—ically: be ~; dwell ~; live ~; work ~.) If you didn't spend so much time in your ivory tower, you'd know what people really think! Many professors are said to live in ivory towers. They don't know what the real world is like.
See also: ivory, tower
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

dwell on

Also, dwell upon. Linger over; ponder, speak or write at length. For example, Let's not dwell on this topic too long; we have a lot to cover today. [c. 1500]
See also: dwell, on
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

dwell on

To think or talk about something to an excessive degree: The teacher dwelled on the subject of tardiness for several minutes.
See also: dwell, on
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
With lead clearance and conveyor speed fixed, this system directly controls the dwell time and immersion depth of the board through the solder wave.
Ephraim Solomon ben Aaron of Luntshits, author of the commentary Keli Yaqar, offers a similar explanation of the commandment: "All citizens in Israel shall dwell in sukkot [Leviticus 23:42].
Richard Vaughan manager of Dwell Birmingham with Dwell MD Aamir Ahmad in the lighting section at Dwell's new Fort Dunlop store.
Dwell Denver Real Estate evolved from a sense of wanting to do more for their clients.
Our lime/spar supplier worked with us on a dwell unit design, and once overall dimensions were set, the cupola system was redesigned to allow for easy placement between the cupola and holding furnace.
This is where Dwell Leeds come in - we offer the best of both worlds.”
In the decade since Dwell Studio opened its doors, they've become known for their signature prints, sense of color and unique, uncluttered style.
There's light at the end of the tunnel as Dwell (0870 241 8653, www.dwell.co.uk) has a very similar one made in satin nickel.
One feature of the S1 durometer is the ability to set a test dwell time from zero to 99 seconds.
The first edition of RIBBIT, a research newsletter on frog, toad and salamander declines in the west, lists several endangered populations, ranging from inhabitants of forests to those that dwell in lowlands and mountains.
It costs pounds 425 from Dwell (0870 241 8653, www.dwell.co.uk).
The S1 durometer has the ability to set a test dwell time from 0 to 99 seconds.
Yet, for less than the price of the Aero footstool on its own, you can get both the straight back upholstered chair in faux cream suede, pounds 99 and matching footstool, pounds 49, from Dwell (0870 241 8653, www.dwell.co.uk).
The second step is dwell. This is the time two surfaces are held together to form a bond.
A ZENA SAYS: I think you'll love these rubber wood folding stools from Dwell (0870 241 8653 www.dwell.co.uk) for pounds 14.95 each.