positive column: meaning, definition, pronunciation and examples
LowFormal, Technical
Quick answer
What does “positive column” mean?
A term primarily used in physical sciences to refer to the luminous, positively charged region in certain types of electrical discharges, such as in a glowing neon sign or a Geissler tube. It is a distinct, visible section of a plasma discharge.
Audio
Pronunciation
Definition
Meaning and Definition
A term primarily used in physical sciences to refer to the luminous, positively charged region in certain types of electrical discharges, such as in a glowing neon sign or a Geissler tube. It is a distinct, visible section of a plasma discharge.
In business or data analysis, it can refer to a column in a table, spreadsheet, or report that contains exclusively positive numbers or values. It also figuratively describes a list of favorable items or aspects, representing a 'column of positives' in an argument or evaluation.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or semantic differences. Spelling of related terms (e.g., 'colour' vs. 'color') is consistent with regional conventions in surrounding text.
Connotations
Identical in both varieties; primarily technical.
Frequency
Equally low-frequency and specialised in both varieties.
Grammar
How to Use “positive column” in a Sentence
The positive column [verb: appears, extends, glows] in the tube.Observe the [adjective: long, steady, flickering] positive column.Vocabulary
Collocations
Examples
Examples of “positive column” in a Sentence
verb
British English
- The discharge will positive column along the length of the tube. (Rare/technical usage)
American English
- As voltage increases, the plasma begins to positive column from the cathode. (Rare/technical usage)
adjective
British English
- The positive-column region exhibited a uniform glow.
American English
- We measured the positive-column voltage drop.
Usage
Meaning in Context
Business
Can refer to a spreadsheet column containing only positive financial figures, indicating profit or gain.
Academic
Primarily used in physics and engineering papers describing gas discharge phenomena.
Everyday
Virtually never used. A layperson might misunderstand it as just 'a good point' in a list.
Technical
Standard term in plasma physics, lighting engineering, and the study of electrical discharges in gases.
Vocabulary
Synonyms of “positive column”
Strong
Neutral
Weak
Vocabulary
Antonyms of “positive column”
Watch out
Common Mistakes When Using “positive column”
- Using it to mean 'an optimistic newspaper article'.
- Thinking 'column' refers to a vertical support structure.
- Assuming it's a common phrase in general English.
FAQ
Frequently Asked Questions
No, it is a specialised technical term primarily used in physics and engineering.
No, that would be a misunderstanding. A favourable article might be called a 'positive piece' or 'positive article', but not a 'positive column'.
In the context of a glow discharge, regions like the 'cathode dark space' or 'negative glow' are spatially distinct from the positive column.
You could say, 'All the figures in the revenue positive column are in black ink,' metaphorically referring to a column on a financial sheet containing only positive numbers.
A term primarily used in physical sciences to refer to the luminous, positively charged region in certain types of electrical discharges, such as in a glowing neon sign or a Geissler tube. It is a distinct, visible section of a plasma discharge.
Positive column is usually formal, technical in register.
Positive column: in British English it is pronounced /ˈpɒzətɪv ˈkɒləm/, and in American English it is pronounced /ˈpɑːzətɪv ˈkɑːləm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “On the positive side of the ledger (related figurative sense)”
Learning
Memory Aids
Mnemonic
Imagine a neon 'OPEN' sign. The brightly glowing red tubes you see? That light is largely produced by the POSITIVE COLUMN within the sealed gas.
Conceptual Metaphor
CONDUIT / CONTAINER (The column is a contained region of light and positive charge within a tube). LIST/INVENTORY (The figurative sense: a column is a list of positive items).
Practice
Quiz
In which field is the term 'positive column' most precisely and commonly used?