SINCE 1828
dictionary
thesaurus

aeroshell

noun
Save Word
aero·​shell | \ ¦er-ō-¦shel How to pronounce aeroshell (audio) \
plural aeroshells

Definition of aeroshell

: heat shield One such system, the Viking-era 70° sphere cone aeroshell, has been used on every U.S. mission to the surface of Mars.— Donald Rapp, Human Missions to Mars, 2007

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of aeroshell

1966, in the meaning defined above

History and Etymology for aeroshell

aero- + shell entry 1

Learn More About aeroshell

Time Traveler for aeroshell

Time Traveler

The first known use of aeroshell was in 1966

See more words from the same year

Dictionary Entries Near aeroshell

aeroscepsis

aeroshell

aerosiderite

See More Nearby Entries 

Statistics for aeroshell

Cite this Entry

“Aeroshell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aeroshell. Accessed 15 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

dilatory

Listen to the pronunciation of dilatory

See Definitions and Examples »

Test Your Vocabulary

Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play
Ask the Editors
Word Games