filament - Master This Word
Master this word with our 5-step learning method – Learn English in English
filament Word Meanings
- a thin thread or strand
- a slender, threadlike structure
- a wire or thread that emits light when heated
filament Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
filament Phonetic & Pronunciation
UK
/ˈfɪl.ə.mənt/
US
/ˈfɪl.ə.mənt/
filament Word Etymology
(a) from 'filamentum' (Latin), 'filare' (to spin) + '-ment' (noun suffix). (b) The term passed from Latin to Old French 'filament', eventually entering English. (c) Picture a delicate thread weaving through a loom, symbolizing both light and fine craftsmanship.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Filament is a thin thread or slender, threadlike structure that appears in many contexts. It can describe a fiber in textiles, a hairlike projection in biology, or a wire that emits light when heated, as in incandescent bulbs. In everyday language, people also speak of a filament of smoke or dust, or of light seeming to form a delicate filament in the air. The word comes from Latin filāmentum, from filāre to spin, and the suffix -ment, which helps turn a verb concept into a noun. In science and engineering, filament often emphasizes shape: long, narrow, and flexible, or a fine conductor.
Usage Reminders
- - Remember filament is used for long, thin threads or wires that carry light or form delicate structures.
- - Distinguish filament from fiber (material) and strand (a loose piece).
- - In lighting, filament refers to the heated wire in bulbs.
- - In biology or microscopy, filaments describe hairlike projections or threadlike shapes.
- - Note the Latin etymology filāmentum and its meaning related to weaving.
Common Misconceptions
- Filament always means a light-emitting wire (only electrical context).
- Filament and fiber are interchangeable.
- Filament refers only to biology, not engineering.
- All filaments are metal wires.
- Filament cannot be pluralized.
Thinking Differences
Filament in English often carries a technical nuance: it can describe any long, thin thread-like structure, not just lighting components. Learners should note that fiber and strand are related but cover distinct ideas (material vs. a single thread) and that filament frequently appears in science and engineering contexts.
Learning Tips
- Visualize a tiny, glowing wire to anchor the sense of filament.
- Learn the key collocations: light filament, biological filament, filamentous.
- Differentiate filament from fiber (material) and strand (a segment of fiber).
- Note contexts: bulbs (lamp filament) vs biology (filamentous bacteria).
- Remember the etymology filāmentum to reinforce spelling.
- Practice plural: filaments in biology; filaments in electronics.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the meaning of the word 'filament'?
A.A type of flower
B.A long, thin structure like a thread
C.A complex machine
D.A musical term
Step 2: Usage
Choose the sentence that correctly uses the word 'filament'.
A.The artist painted a filament of the sunset.
B.She wore a beautiful filament dress to the party.
C.The filament in the light bulb was burnt out.
D.The teacher illustrated a filament in her lecture.
Step 3: Similar Words
Which word is most similar to 'filament'?
A.Balloon
B.Wire
C.Art
D.Class
Step 4: Opposite Words
What is the opposite of 'filament'?
A.Chunk
B.Pebble
C.Light
D.Color
Step 5: Mastery
Can you think of a real-life context where a filament is used?
A.Lighting up a room with a bulb
B.Walking on a sidewalk
C.Cooking a meal
D.Writing a letter
Want to practice more words?
Download LexiTalk app for personalized learning experience
Download App