What context can I use each word in?
Learn when and how to use these words with these examples!
axiom
Example
In geometry, the axiom that states 'two parallel lines never intersect' is widely accepted. [axiom: noun]
Example
It is an axiom in economics that people act rationally to maximize their own self-interest. [axiom: noun]
postulate
Example
Euclid's fifth postulate states that 'if a line intersects two other lines forming interior angles on the same side that sum to less than 180 degrees, then the two lines will eventually intersect.' [postulate: noun]
Example
The scientist postulated that the increase in temperature would lead to a decrease in plant growth. [postulated: past tense verb]
Good things to know
Which word is more common?
Axiom is more commonly used than postulate in everyday language, especially in the context of mathematics and logic. Postulate is more specific to mathematics, geometry, and scientific investigations.
What’s the difference in the tone of formality between axiom and postulate?
Both axiom and postulate are formal terms used in academic and technical contexts. However, axiom is more commonly used and recognized in various formality levels, while postulate is more specific and may be used in more specialized or technical discussions.
