Fixative: meaning, definitions and examples

A chemical substance used in biology to preserve the structure of tissues or cells for examination under a microscope.

• The lab technician used a fixative to preserve the tissue sample.
• They added a fixative to the cells before staining them for the microscope study.

A substance used to block the passage of fluids through the surface or joints or openings in materials, typically used in construction or dentistry.

• They applied sealant around the windows to prevent leaks.
• The dentist applied a sealant to the child's teeth to protect them from cavities.

A chemical added to food, wood, and other materials to prevent decay and spoilage.

• This jam contains no artificial preservatives.
• Wood treated with preservative lasts much longer outdoors.

A liquid in the form of tiny drops propelled through the air, often used in cosmetics, gardening, and cleaning products.

• She used hair spray to keep her hairstyle in place.
• The gardener used a bug spray to eliminate pests from the plants.

Used when talking about a substance that is used to set or preserve something, especially in fields like art and chemistry.

• The artist used a fixative to preserve the drawing.
• The laboratory technician applied a fixative to the biological samples.

Best used when referring to a strong effect or striking force, often related to physical or metaphorical scenarios.

• The car accident had a severe impact on traffic.
• Her speech had a profound impact on the audience.

Used to describe an idea, feeling, or opinion about something or someone, often formed without full knowledge. Can also mean a mark or imprint.

• His first impression of the city was very positive.
• She left an excellent impression during the job interview.

Describes the capacity to have an effect on the character, development, or behavior of someone or something, generally in a more subtle or less direct way.

• Her mother had a significant influence on her musical taste.
• The teacher's influence on his students was evident in their improved grades.