Construction Materials Terminology

noun a person or thing that fills a space or container

adjective used to describe something that fills a space or container

• The filler material was used to reinforce the structural integrity of the building.
• I added some filler to make the soup more filling.
• I always use filler words like 'um' and 'like' when I'm nervous.
• His constant jokes and stories were just filler for his lack of substance.

noun the process of becoming or making something hard or harder

verb present participle of the verb 'harden', which means to make or become hard or harder

• The process of hardening steel involves heating and then cooling it to increase its strength.
• I heard that the new regulations are really hardening up on security around here.
• Dude, you need to stop being so soft and start hardening up if you want to succeed in this industry.
• His heart was soft at first, but after going through so much pain, it started hardening against the world.

adjective Inflammable is an adjective that describes something that is easily set on fire or capable of being easily ignited.

• It is important to store inflammable materials in a safe and secure location.
• Be careful with that inflammable gas, it's highly flammable!
• Don't mess around with inflammable stuff, you could get seriously hurt.
• His temper was like an inflammable substance, ready to explode at any moment.