English Meaning & Definitions
A set containing no elements; the empty set.
- “In set theory, the null set is a subset of every other set.”
- “The intersection of two disjoint sets yields the null set.”
In measure theory, a set of measure zero.
- “A countable union of null sets is still a null set.”
- “The function is continuous almost everywhere except on a null set.”
English Antonyms & Opposites
Comprehensive Thesaurus Breakdown
Compare formal, informal, literary synonyms and register nuances for “null set”.
Derived from the adjective 'null' (meaning 'zero', 'void', or 'invalid', from the Latin 'nullus', meaning 'none') combined with 'set' (from the French 'cette' or Latin 'secta', but used in mathematics in the sense of a collection). It gained widespread use in the late 19th and 20th centuries with the development of modern set theory by mathematicians like Georg Cantor.
Think of a 'null' (nothing) 'set' (group) — a group containing absolutely nothing, like an empty box.
Frequently Asked Questions About “null set”
1. What is the meaning of “null set” in English?
In English, null set (noun) is defined as: “A set containing no elements; the empty set.”.
2. How do you use “null set” in a sentence?
“In set theory, the null set is a subset of every other set.”
4. What is the etymology and word origin of “null set”?
Derived from the adjective 'null' (meaning 'zero', 'void', or 'invalid', from the Latin 'nullus', meaning 'none') combined with 'set' (from the French 'cette' or Latin 'secta', but used in mathematics in the sense of a collection). It gained widespread use in the late 19th and 20th centuries with the development of modern set theory by mathematicians like Georg Cantor.
🇬🇧More English Words to English
View all English words →The base unit of time in the International System of Units (SI), equal to the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.
A specific duration of time equal to one hour and forty-six minutes and twelve seconds.
The cardinal number equal to one thousand million (1,000,000,000), expressed in scientific notation as 10^9.
A specific duration of time equivalent to one hour and forty-six minutes.