▸ Specimen Drawer
Materials & Substances — Lesson 13
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Specimen
arrowroot
ˈær.oʊ.ruːt
A nutritive starch obtained from the root of the arrowroot plant — she added arrowroot to the sauce to thicken it.
Arrowroot is often used as a gluten-free alternative to flour.
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arsenic
ˈɑːrsənɪk
A toxic metalloid chemical element with symbol As and atomic number 33, found — arsenic is a metalloid element found in the Earth's crust.
Arsenic is a metalloid element found in the Earth's crust.
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ash
æʃ
The residue that remains when something is burned — he wiped the ash from the fireplace.
The house burned down to ashes.
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ashes
ˈæʃɪz
The residue that remains when something is burned — the forest fire left only ashes behind.
The ashes from the fireplace were still warm.
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atom
ˈætəm
The smallest unit of a chemical element that can exist on its own and retains — the hydrogen atom is the smallest and lightest.
Everything is made up of atoms.
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atoms
ˈætəmz
The smallest units of a chemical element that can exist, consisting of a — atoms are the building blocks of all matter.
Atoms are the building blocks of all matter.
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balms
bɑːmz
Any of various aromatic resinous substances used for healing and soothing — she applied healing balms to his sunburned skin.
She applied healing balms to his sunburned skin.
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barium
ˈbæriəm
A soft silvery metallic element of the alkali earth group; found in barite — the doctor ordered a barium swallow test.
Barium is a chemical element with symbol Ba.
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basalt
bəˈsɔːlt
A dark, fine-grained volcanic igneous rock formed from solidified magma — the cliffs were composed of black basalt.
The cliffs were composed of black basalt.
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beaver
ˈbiːvɚ
The soft brown fur of the beaver — I saw a beaver swimming in the river.
The beaver gnawed on the tree trunk.
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beavers
ˈbiːvɚz
The soft brown fur of the beaver — we saw two beavers swimming in the river.
Beavers build dams to create ponds where they live.
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benzene
ˈbɛnziːn
A colorless, flammable liquid chemical compound used in the production of — many plastics are made from benzene.
Benzene is a common solvent in chemistry laboratories.
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▸ Catalogue Progress
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specimens catalogued
Mark each specimen as learned to complete this drawer.