excited state
B2Formal to Neutral in technical contexts; Neutral to Informal in everyday contexts.
Definition
Meaning
A condition of heightened energy, arousal, or enthusiasm.
In physics and chemistry, a state in which an atom, molecule, or nucleus has absorbed energy, causing one or more of its electrons to move to a higher energy level than its ground state.
Linguistics
Semantic Notes
In everyday use, it describes emotional or mental arousal. In scientific use, it is a precise technical term describing a quantized energy level. The context determines which meaning is intended.
Dialectal Variation
British vs American Usage
Differences
Minimal. The term is identical in spelling and core meaning. Collocational preferences might vary slightly in everyday use (e.g., 'really excited' vs. 'super excited').
Connotations
Identical. Both positive connotations of enthusiasm and the precise, neutral scientific meaning are shared.
Frequency
Equally common in academic/scientific contexts. In everyday language, the simple adjective 'excited' is far more frequent than the noun phrase 'excited state'.
Vocabulary
Collocations
Grammar
Valency Patterns
The atom is in an excited state.Electron transition from an excited state.She found herself in a constant state of excited anticipation.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Bouncing off the walls”
- “Like a cat on a hot tin roof”
- “Full of beans”
Usage
Context Usage
Business
Rare, except metaphorically: 'The market is in an excited state after the merger announcement.'
Academic
Common in Physics and Chemistry: 'The photon is emitted when the electron drops from an excited state.'
Everyday
Common: 'The children were in a terribly excited state before the party.'
Technical
Core term in Quantum Mechanics and Spectroscopy: 'The lifetime of the fluorescent excited state was measured.'
Examples
By Part of Speech
verb
British English
- The photon excited the atom to a higher state.
- The speaker excited the crowd into a frenzy.
American English
- The laser excites the molecule to a different state.
- The news excited the investors.
adverb
British English
- They chattered excitedly about the trip.
- He waited excitedly for the results.
American English
- She talked excitedly on the phone.
- The dog wagged its tail excitedly.
adjective
British English
- The excited children couldn't sleep.
- She had an excited look on her face.
American English
- The excited fans cheered loudly.
- He was excited about the new job.
Examples
By CEFR Level
- The puppy is very excited.
- I'm so excited about our holiday next week!
- After drinking the coffee, he was in a noticeably excited state and couldn't concentrate.
- In quantum physics, an electron in an excited state will eventually release energy and return to its ground state.
Learning
Memory Aids
Mnemonic
Think of a light bulb: OFF is the 'ground state.' When you flip the switch, energy excites it to its glowing, ON 'excited state.'
Conceptual Metaphor
ENERGY IS UP / CALM IS DOWN. An excited state is a 'high-energy' state, both emotionally and physically.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid confusing with 'возбуждённое состояние' when referring to agitation or irritation; 'excited' is primarily positive. In technical contexts, the translation is direct, but ensure the scientific context is clear.
Common Mistakes
- Using 'excited state' for simple, transient excitement ('I'm excited' is better). Confusing it with 'excitement' (uncountable noun vs. countable 'state').
Practice
Quiz
In a scientific context, what is the direct opposite of an 'excited state'?
FAQ
Frequently Asked Questions
No, in everyday use it often implies happy enthusiasm, but it can also describe nervous or agitated arousal. In science, it has no emotional connotation.
It sounds unnatural ('I am in an excited state'). Use the adjective: 'I am excited.' The noun phrase is more often used for observed or technical conditions.
'Excited' is the general adjective. 'An excited state' is a specific, often more formal or technical, description of a condition or phase someone/something is in.
It's a metaphor borrowed from everyday language. Just as a person has more 'energy' when excited, an atom has more physical energy when in its 'excited state.'