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expand (one's) horizons

To have or seek out new experiences, especially if one's experiences have been relatively limited. I'm really nervous to live at school, but I know I need to expand my horizons and get some experience living without my family. I can't believe that Molly has never left the state before! She seriously needs to expand her horizons!
See also: expand, horizon

expand (something) into (something)

1. To become larger or more extensive. Don't pull the cord on that, or it will expand into a raft!
2. To make something larger or more extensive. In this usage, a noun or pronoun is used between "expand" and "into." Don't expand that into a raft just yet—wait till we get to the lake. The publisher wants me to expand my short story into a novella.
See also: expand

expand (up)on (something)

To discuss a topic in more detail. This is such an important point that I'd like you to expand upon it when you revise your paper.
See also: expand
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

expand into something

to grow into something; to enlarge into something. The little problem expanded into a big one in no time at all. In no time at all, the vegetable garden had expanded into a small farm.
See also: expand

expand one's horizons

Fig. to experience and learn new things. Read more! Travel! Go out and expand your horizons!
See also: expand, horizon

expand something into something

to enlarge something into something; to make something grow into something. She expanded her business into a national company. I would like to build on an addition to expand this room into a more usable space.
See also: expand

expand (up)on something

 and enlarge (up)on something
Fig. to add detail to a report about something; to say more about something. Would you please expand upon that last remark? Would you care to enlarge upon your remarks?
See also: expand, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
For the three successful expansion sites, the soft tissue volume increase was 259.4 mm2 for the 0.24 ml cylinder expander, 436.1 mm2 for the 0.7 ml cylinder expander, and 755.9 mm2 for the 1.3 ml cylinder expander (the mean volume increase of the three successful sites was 483.8 [+ or -] 251.7 [mm.sup.3]).
Silvestri, "Rotary expander engine testing and analysis," in Proceeding of 18th IECEC, pp.
The traditional approach to creating a pocket for the expander and implant is to optimize muscle coverage (Figure 1) [75].
This decision on selection of the flap should be made before placement of the tissue expander in order to avoid unnecessary tissue loss.
Hammond's business is producing lead oxides and negative plate expanders in service to the world's battery industry.
It is then sealed at compressor TDC for fuel mixing and initiation of combustion (30[degrees]) before the outlet valve opens at expander TDC.
The technology of using a gas expander in place of a valve as a regulator is not new.
The expander usually is set near the defect area of patient.
All were under general anesthesia; preoperatively the normal skin next to the lesion to be removed is marked in a way to create a subcutaneous pocket in which the expander would be inserted.
She underwent tissue expander placement in the first stage.
Reportedly, two of the power trains, which include expander generators, are for expansion of a power plant project near Pamukoren, Turkey, where Atlas Copco is already supplying equipment.
Castle, clinical assistant professor of surgery at UMass, and plastic surgery director at the UMass Memorial Comprehensive Breast Center, said the new system allows a patient - at home - to daily trigger the release of small amounts of compressed carbon dioxide into a valve of a tiny chamber inside the expander, which is implanted surgically after mastectomy.
* Group 1 was composed of 15 children treated with a tooth-borne expander, and