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HST

American

Or H.S.T.,

Hawaii Standard Time.

HST British

abbreviation

high speed train
Hubble Space Telescope

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nine years later, after several unsuccessful attempts to re-image the system, Kalas obtained a new HST image showing another bright point near the earlier location.

From Science Daily • Jan. 7, 2026

HST last night, @NOAA's #GOESWest 🛰️ captured the eruption of Hawaii's #MaunaLoa volcano, inside @Volcanoes_NPS.

From Washington Post • Nov. 28, 2022

Even so, HST would be observing primarily in optical wavelengths—the tiny portion of the electromagnetic spectrum that the human eye can detect.

From Scientific American • Dec. 25, 2021

M.M. contributed to the analysis, interpretation and HST proposal preparation.

From Nature • Mar. 11, 2018

There they installed a package containing compensating optics as well as a new, improved camera before releasing HST back into orbit.

From Textbooks • Oct. 13, 2016

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023