biological shield: meaning, definition, pronunciation and examples
LowTechnical/Specialized
Quick answer
What does “biological shield” mean?
A physical barrier, typically made of dense materials like concrete, water, or lead, designed to protect humans and the environment from harmful radiation emitted by nuclear reactors or radioactive sources.
Audio
Pronunciation
Definition
Meaning and Definition
A physical barrier, typically made of dense materials like concrete, water, or lead, designed to protect humans and the environment from harmful radiation emitted by nuclear reactors or radioactive sources.
Any protective barrier or system designed to block or mitigate the effects of biological agents, pathogens, or harmful biological materials. In a metaphorical sense, it can refer to any defense mechanism against biological threats.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling follows regional conventions for 'biological'.
Connotations
Neutral technical term in both varieties.
Frequency
Equally low frequency in both UK and US English, confined to technical domains.
Grammar
How to Use “biological shield” in a Sentence
The [material] acts as a biological shield against [radiation source].A biological shield surrounds the [nuclear component].Engineers installed a biological shield to protect [protected entity].Vocabulary
Collocations
Examples
Examples of “biological shield” in a Sentence
verb
British English
- The structure is designed to biological shield the control room.
- This material effectively biological shields workers.
American English
- The structure is designed to biologically shield the control room.
- This material effectively biologically shields personnel.
adverb
British English
- The core is biologically shielded by three metres of concrete.
- The area was adequately biologically shielded.
American English
- The core is biologically shielded by ten feet of concrete.
- The area was sufficiently biologically shielded.
adjective
British English
- The biological-shielding properties of the concrete were tested.
- We need a biological-shield analysis.
American English
- The biological shielding properties of the concrete were tested.
- We need a biological shielding analysis.
Usage
Meaning in Context
Business
Rare, except in contracts or reports for nuclear construction, decommissioning, or safety compliance.
Academic
Used in nuclear engineering, physics, and environmental science papers and textbooks.
Everyday
Virtually never used in everyday conversation.
Technical
Standard term in nuclear power plant design, radiological safety protocols, and nuclear waste management documentation.
Vocabulary
Synonyms of “biological shield”
Strong
Neutral
Weak
Vocabulary
Antonyms of “biological shield”
Watch out
Common Mistakes When Using “biological shield”
- Using 'biological shield' to refer to the immune system (incorrect).
- Confusing it with 'thermal shield' or 'neutron shield', which are specific types of radiation shields.
- Misspelling as 'biologic shield' (less common adjectival form).
FAQ
Frequently Asked Questions
Primarily, yes. Its core and most frequent use is in nuclear engineering and radiological protection. An extended, less common use exists in biosecurity for barriers against pathogens.
No, that is a common mistake. The immune system is a 'biological defense system', not a 'biological shield'. The term 'shield' in this compound implies a physical, structural barrier.
Dense materials are used to absorb radiation. Common examples include concrete (often with added aggregates like boron or steel), water, lead, and steel.
The biological shield is a specific, dense physical barrier against radiation. The containment building is the larger, airtight outer structure that encloses the reactor and its shield, designed to contain any accidental release of radioactive material.
A physical barrier, typically made of dense materials like concrete, water, or lead, designed to protect humans and the environment from harmful radiation emitted by nuclear reactors or radioactive sources.
Biological shield is usually technical/specialized in register.
Biological shield: in British English it is pronounced /ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˈʃiːld/, and in American English it is pronounced /ˌbaɪ.əˌlɑː.dʒɪ.kəl ˈʃiːld/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for this technical compound]”
Learning
Memory Aids
Mnemonic
Think of a 'BIOLOGICAL SHIELD' as a super-strong suit of armour (SHIELD) that protects living things (BIOLOGICAL organisms) from invisible radiation rays.
Conceptual Metaphor
PROTECTION IS A SHIELD; RADIATION IS AN INVISIBLE ARROW/ATTACK.
Practice
Quiz
What is the primary function of a biological shield?