homologous - Master This Word
Master this word with our 5-step learning method – Learn English in English
homologous Word Meanings
- having the same relation, position, or structure
- being similar or comparable in some way
- pertaining to biological homologs
homologous Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
- Homologous traits show similarities in different species.
- The scientists studied homologous structures in animals.
- Homologous chromosomes are alike but not identical.
- Many plants have homologous parts like leaves and flowers.
- We found homologous animals in faraway places.
homologous Phonetic & Pronunciation
UK
/həˈmɒləgəs/
US
/həˈmɑlɪgəs/
homologous Word Etymology
homologous = homo- (same) + logos (relation); Latin from Greek -> Old French -> English. Imagine two identical trees growing in harmony, both reflecting the same structure and roots in their surroundings.
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
Homologous is an adjective used in biology to describe structures or relations that share a common origin or position in different organisms, often indicating a similar developmental pathway. More generally, it can mean that two things have the same relative relationship or a comparable structural feature, even when they are not identical. In comparative anatomy, homologous bones in the forelimbs of bats, whales, and humans are evidence of a shared ancestry. In genetics and evolution, recognizing homologous genes or chromosomes helps track evolution across species. Outside biology, the term can describe parallel roles or positions in different systems, such as a city hall and a royal court in analogous political structures.
Usage Reminders
- Identify the common origin or position first
- Compare with homologous structures across species
- Note the difference with analogous relations
- Remember the root homo- and logos
- Use in cross-disciplinary comparisons with care
Common Misconceptions
- Homologous does not mean identical in shape or appearance
- Confusing homologous with analogous, which means similar in function, not origin
- Assuming homology only exists in anatomy, not genetics or development
- Overgeneralizing to everyday objects as if they have a common ancestry
- Forgetting that homologous traits can be structurally different yet share origin
Thinking Differences
In English, learners often treat 'homologous' as a general synonym for 'similar'; emphasize its strict bioscience use and distinguish from 'analogous' (functionally similar, not origin-based).
Learning Tips
- Learn the prefix homo- meaning same or similar
- Compare homologous structures across species
- Distinguish homologous from analogous
- Look for common developmental origins
- Use diagrams to map relative positions
- Practice with genetics and anatomy examples
5-Step Learning Method - Learn English in English
Step 1: Meaning
What does the word 'homologous' mean?
A.Completely unrelated in form
B.Similar in structure and evolutionary origin
C.Different and distinct
D.Opposite in function
Step 2: Usage
Which sentence uses 'homologous' correctly?
A.The two paintings were homologous in style and technique.
B.His happiness was homologous to the bright sun.
C.The birds and bats are homologous creatures despite their differences.
D.The homologous model of the car showed a new level of innovation.
Step 3: Similar Words
Which word is most similar to 'homologous'?
A.Equivalent
B.Dissimilar
C.Contradictory
D.Unrelated
Step 4: Opposite Words
What is the opposite of 'homologous'?
A.Similar
B.Equivalent
C.Dissimilar
D.Comparable
Step 5: Mastery
Can you think of a real-life context where this concept applies?
A.The two animals share a similar skeletal structure.
B.The design choices for both products were clearly unrelated.
C.The software systems operate on entirely different frameworks.
D.Their historical backgrounds were vastly different.
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