molar
molar — 名詞
- molarsingular
- molarsplural
1. a large tooth in the rear part of the upper or lower jaw, with a broad flat top
臼齒
口腔後方用來磨碎食物的大型牙齒
a large tooth in the rear part of the upper or lower jaw, with a broad flat top designed to crush and grind food into smaller pieces.
Henry had to have one of his lower molars removed because of a deep cavity.
亨利有一顆下排臼齒因為嚴重的蛀牙而不得不拔掉。
possessive + lower/upper molar
The dentist checked Salma's twelve-year-old molars and said they were coming in nicely.
牙醫檢查了莎爾瑪的十二歲臼齒，說它們長得很好。
possessive + age-specific molars (twelve-year-old)
Lucía felt a sharp pain in her molar as she bit into a cold apple.
露西亞咬了一口冰涼的蘋果時，覺得臼齒一陣刺痛。
Dr. Akinwale showed Kasia the X-ray and pointed to the molars at the back of her upper jaw.
Dr. Akinwale 向 Kasia 展示X光片，指出她上排後方的臼齒。
possessive + molars + location (at the back of)
- lower molar
- upper molar
- wisdom molar
- permanent molar
- molar extraction
- molar cavity
- molar root
- grinder
informal, old-fashioned term for a molar tooth
- back tooth
non-technical term for any tooth at the rear of the mouth, not exclusively a molar
- incisor
the front teeth used for cutting, not grinding
文法句型
molar + verb (e.g., molar hurts)
possessive + molar(s)
用法筆記
Countable; the plural form molars is very common because these teeth usually come in sets of four or more.
常見錯誤
molar — 形容詞
- molarpositive
- more molarcomparative
- most molarsuperlative
1. relating to the amount of a substance measured in moles — for example, how many
莫耳的
與一莫耳物質的量有關的
relating to the amount of a substance measured in moles — for example, how many grams of a chemical are dissolved in one litre of liquid, or the volume a gas occupies at a given temperature and pressure.
The lab technician prepared a one-molar solution of sodium chloride for the titration experiment.
實驗室技術員配製了一莫耳的氯化鈉溶液，用於滴定實驗。
one-molar + solution — concentration measurement
Yan calculated glucose's molar mass for her chemistry class and got 180 grams per mole.
小燕為她的化學課計算了葡萄糖的莫耳質量，得到的答案是每莫耳180克。
molar mass — grams per mole of a substance
Jabari weighed out two grams of sodium hydroxide to make a 0.5 molar solution for the lab experiment.
Jabari 秤出兩克的氫氧化鈉，配製了 0.5 莫耳濃度的溶液用於實驗。
make + a [number] molar solution — preparing a concentration
Gabriel used the molar volume of an ideal gas to predict how much oxygen would form.
蓋布瑞爾利用理想氣體的莫耳體積來預測會產生多少氧氣。
- molar solution
- molar concentration
- molar mass
- molar volume
- molar ratio
- molar extinction coefficient
- mole-related
informal paraphrase, not a standard scientific term
- molal
⚠️ different meaning — molal refers to moles per kilogram of solvent, not per litre of solution; easily confused
文法句型
molar + noun (mass, concentration, volume, solution)
用法筆記
Technically, molar in chemistry is different from molal (which relates to moles per kilogram of solvent). Do not confuse the two.
常見錯誤
2. relating to the large grinding teeth at the back of the mouth, or to the area of
臼齒的
與後方臼齒或其所在區域有關的
relating to the large grinding teeth at the back of the mouth, or to the area of the jaw where those teeth sit.
The X-ray showed signs of infection in the molar region of Madison's lower jaw.
X光片顯示麥迪遜的下頜臼齒區域有感染的跡象。
molar region — area of jaw around molars
Molar pain sometimes comes from an impacted wisdom tooth pushing against nearby roots.
臼齒疼痛有時是因阻生智齒擠壓到附近的牙根所引起。
Dr. Nakamura specialises in molar root canal treatments for patients with severe decay.
中村醫師專門為蛀牙嚴重的患者進行臼齒根管治療。
molar root canal — dental procedure on molar tooth
The orthodontist placed a metal band around Ritu's molar to anchor the braces.
矯正醫師在李圖的臼齒上套了一個金屬環，用來固定矯正器。
- molar region
- molar area
- molar crown
- molar root
- molar band
- molar extraction site
文法句型
molar + noun (area, region, tooth, root, pain)
用法筆記
When used before another noun (e.g., molar area, molar root), this adjective specifies location or relation to the molar teeth rather than a property of the noun itself.
常見錯誤
同根字
- premolar名詞C1
- molar mass名詞片語C1
- molarity名詞C1