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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.

After another HST observation in 2006, Kalas concluded that a bright object visible in images from both 2004 and 2006 was a planet.

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

HST enjoyed the benefit of human servicing missions—for instance, to fix the flaw in its mirror.

From Scientific American • Dec. 25, 2021

HST hot-Jupiter transmission spectral survey: haze in the atmosphere of WASP-6b.

From Nature • May 6, 2018

Using gravitational lensing with HST to see the most distant galaxies.

From Textbooks • Oct. 13, 2016

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