▸ Specimen Drawer

Materials & Substances — Lesson 15

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Fast recall sprint

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Browse the cards below, then start a play round — five minutes of quick drills that lock each word into memory.

Specimen

builders

ˈbɪldərz

A substance added to soaps or detergents to increase their cleansing action — the builders finished the roof today.

The builders are working on the new house.

Specimen

butane

bjuːˈteɪn

Occurs in natural gas; used in the manufacture of rubber and fuels — the lighter contains butane gas.

Butane is widely used as a fuel source for portable stoves.

Specimen

butterfat

ˈbʌtərfæt

The fatty substance of milk from which butter is made — skim milk has most of the butterfat removed.

Butterfat is what gives dairy products their creamy texture.

Specimen

cadmium

ˈkædmiəm

A soft, bluish-white metallic chemical element with atomic number 48, used in — cadmium is commonly used in rechargeable batteries.

Cadmium is commonly used in rechargeable batteries.

Specimen

calamine

ˈkæləmaɪn

A white mineral; a common ore of zinc — apply the calamine lotion to the affected areas of skin.

Apply the calamine lotion to the affected areas of skin.

Specimen

calcium

ˈkælsiəm

A silver-white metallic chemical element with the symbol Ca and atomic number 20 — calcium is vital for maintaining strong bones.

Milk and dairy products are excellent sources of calcium.

Specimen

calfskin

ˈkæfskɪn

Fine leather from the skin of a calf — the handbag is made of high‑quality calfskin.

She bought a pair of calfskin gloves for the winter.

Specimen

camphor

ˈkæmfər

A resin obtained from the camphor tree; used in making celluloid and liniment — the strong smell of camphor filled the room.

Camphor has been used in traditional medicine for centuries.

Specimen

carbide

kɑːrbaɪd

A binary compound of carbon with a more electropositive element — calcium carbide reacts with water to produce acetylene gas.

Silicon carbide is widely used as an abrasive in industrial applications.

Specimen

carbohydrates

ˌkoʊbəˈhaɪdreɪts

Carbohydrates are one of the main types of nutrients, found in foods like — bread and rice are rich in carbohydrates.

Bread and rice are rich in carbohydrates.

Specimen

carbons

ˈkɑrbənz

Carbons refer to atoms of the chemical element carbon, especially in plural — fullerenes are molecules made of sixty carbons.

Carbons bond together to form long chains in organic chemistry.

Specimen

carcinogen

ˈkɑːrsɪnədʒən

Any substance that produces cancer — this chemical has been identified as a carcinogen.

Tobacco smoke contains several dangerous carcinogens.

▸ Catalogue Progress 0 / 12 specimens catalogued

Mark each specimen as learned to complete this drawer.

Next drawer · Materials & Substances — Lesson 16