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fission

Upper-Intermediate (B2)

IPA: /ˈfɪʃən/

KK: /ˈfɪʃən/

intransitive verb
Definition

To split into two or more parts, especially in a nuclear reaction.


Example

The atomic nucleus can undergo fission to release energy.


Tense Forms

Past: fissioned

Past Participle: fissioned


Conversation
Sloth A
Did you know that some atoms can actually fission?
Sloth B
Yeah, I heard that in my science class last week.
Sloth A
It's fascinating how that process releases so much energy.
Sloth B
Totally! I can't believe how powerful fission can be.

Synonyms & Antonyms
Synonyms
split
divide
separate
Antonyms
combine
unite
join
noun
Definition

A process where a large atomic nucleus splits into smaller parts, releasing a significant amount of energy, or a method of reproduction in which a single organism divides into two or more new organisms.


Example

Nuclear fission is used in power plants to generate electricity.


Conversation
Sloth A
Did you hear about the latest advancements in nuclear fission?
Sloth B
Yeah, it's fascinating how much energy can be produced from it.
Sloth A
I read that it's also being researched for cleaner energy sources.
Sloth B
transitive verb
Definition

To cause a nucleus of an atom to split into smaller parts, releasing energy in the process.


Example

The scientists aimed to fission the uranium atoms to produce energy.


Tense Forms

Past: fissioned

Past Participle: fissioned


Conversation
Sloth A
Did you know that scientists can fission atoms to release energy?
Sloth B
Really? I thought that was just a theory.
Sloth A
Nope, it's a real process used in nuclear power plants.
Sloth B
Root Explanation

Fission → It is formed from "fissio" (from Latin, meaning a splitting or cleaving) and the suffix "-ion" (meaning the action or process of). The word "fission" refers to the process of splitting or dividing, particularly in the context of atomic nuclei.

Memory Tip

Think of the Latin word for splitting, 'fissio', to remember that 'fission' means the process of splitting apart.

Visually Confused Words
mission
scission
omission
fishskin
emission
Is this page helpful?
Exactly! It could really change the way we think about power.

Synonyms & Antonyms
Synonyms
splitting
division
fragmentation
Antonyms
fusion
combination
union
That's fascinating! I'd love to learn more about it.

Synonyms & Antonyms
Synonyms
split
divide
separate
Antonyms
combine
unite
join