SINCE 1828
dictionary
thesaurus

Macrosiphum

noun
Save Word
Mac·​ro·​si·​phum | \ ˌmakrōˈsīfəm \

Definition of Macrosiphum

: a genus of large often pink or green aphids including a number of economically important plant pests some of which are vectors of virus diseases (as mosaic) — see english grain aphid , pea aphid, rose aphid

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!

History and Etymology for Macrosiphum

New Latin, from macr- + Greek siphōn tube

Learn More About Macrosiphum

Dictionary Entries Near Macrosiphum

macroseismograph

Macrosiphum

macrosomatic

See More Nearby Entries 

Statistics for Macrosiphum

Cite this Entry

“Macrosiphum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Macrosiphum. Accessed 18 Aug. 2022.

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

WORD OF THE DAY

immutable

Listen to the pronunciation of immutable

See Definitions and Examples »

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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