The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
SIDS
1 ENTRIES FOUND:
SIDS
(abbreviation)
SIDS
abbreviation
SIDS
abbreviation
Britannica Dictionary definition of SIDS
sudden infant death syndrome
ASK THE EDITOR
"She's much more better than he is." What is wrong in this sentence?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
judgment
:
an opinion or decision that is based on careful thought
Learn More »