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إنجليزي

thermal

gb/θˈɚməl/ us/θˈɚməl/
B1 إنجليزي
~ 4800
المعاني
0 معنى
adjective B1 property
1

Related to heat or temperature

About heat or temperature, or made to keep heat in.

نمط الاستخدام: [thermal] [noun]
غلطة شائعة:
Learners sometimes confuse 'thermal' with 'thermometer', but 'thermal' describes something related to heat, not a measuring device.
مرادفات
heat-related (A more informal and less technical way of saying something is connected to heat.)
أضداد
cooling (Refers to reducing heat rather than relating to or keeping it.)
تراكيب شائعة
thermal energy |thermal insulation |thermal clothing |thermal camera |thermal conductivity
مواضيع
science |technology |daily life |core_vocabulary
أمثلة
  • The engineer measured the thermal properties of the new material.
  • I bought a thermal jacket for my trip to the mountains.
  • Thermal imaging can detect people in complete darkness.
  • The building uses thermal insulation to save energy.
  • Thermal energy from the sun powers the system.
أمثلة للمتعلمين
  • This blanket gives good thermal protection.
  • I wear thermal socks in winter.
  • The thermal camera can see heat.
  • The house has thermal windows.
  • We studied thermal energy in science class.
اسم technical B2 entity
2

Rising column of warm air

A movement of warm air going up into the sky, used by birds or people flying without engines.

نمط الاستخدام: [a] thermal
غلطة شائعة:
Learners may confuse this with 'thermal' meaning heat-related clothing; context usually clarifies.
مرادفات
updraft (More general term for rising air, not necessarily warm.)
أضداد
downdraft (A downward current of air, opposite of a rising warm current.)
تراكيب شائعة
ride a thermal |catch a thermal |thermal lift
مواضيع
science |nature |aviation |travel
أمثلة
  • The eagle circled in a thermal for several minutes.
  • Gliders often use thermals to stay in the air longer.
  • Thermals form over sun-heated ground on clear days.
أمثلة للمتعلمين
  • The bird flew up on a thermal.
  • Gliders can go higher when they find a thermal.
  • A thermal is warm air going up.
القواعد
الصيغة المعجمية
thermal
IPA
GB/θˈɚməl/
US/θˈɚməl/
المقاطع والنبر
thermal (١ مقطع)
Stress on 1st syllable (thermal)
تصريفات الكلمة
Adjective
  • Base: thermal
Noun
  • Base: thermal
  • Plural: thermals
عيلة الكلمة
Forms
thermals noun
Core family
thermally adverb
Related words
thermometer noun B1 thermostat noun geothermal adjective
Negative and opposite forms
nonthermal adjective
Advanced or less common
thermodynamics noun thermodynamic adjective
تعبيرات

thermal conductivity

1
/θˈɚməl kˌɑndˌʌktˈɪvəti/
fixed phrase technical

Ability of material to pass heat through it

How easily heat moves through a material.

أمثلة
  • Copper has high thermal conductivity, so it heats quickly.
  • Thermal conductivity is important in cooking pans.

thermal energy

1
/θˈɚməl ˈɛnɚd͡ʒi/
fixed phrase technical

Energy from heat in matter

Energy that comes from heat inside something.

أمثلة
  • Solar panels can convert sunlight into thermal energy.
  • Boiling water contains a lot of thermal energy.

thermal imaging

1
/θˈɚməl ˈɪmɪd͡ʒɪŋ/
fixed phrase technical

Seeing heat with special cameras

Using a special camera to see where heat is.

أمثلة
  • Thermal imaging can find people in dark places.
  • Firefighters use thermal imaging to see through smoke.

thermal shock

1
/θˈɚməl ʃˈɑk/
fixed phrase technical

Damage from quick temperature change

When something breaks because it gets hot or cold too fast.

أمثلة
  • Pouring cold water on hot glass can cause thermal shock.
  • Thermal shock damaged the machine's parts.

thermal insulation

1
/θˈɚməl ˌɪnsəlˈeɪʃən/
fixed phrase

insulation that controls heat flow

Insulation that is used to stop heat moving from one place to another.

أمثلة
  • Good thermal insulation in the walls keeps the house warm in winter and cool in summer.
  • The sleeping bag offers excellent thermal insulation even in freezing temperatures.
  • Builders now focus on improving thermal insulation to cut energy costs.

thermal insulation

2
/θˈɚməl ˌɪnsəlˈeɪʃən/
fixed phrase technical

Material that stops heat loss or gain

A material that keeps heat from moving in or out.

أمثلة
  • The walls are filled with thermal insulation to keep the house warm.
  • Good thermal insulation can lower heating costs.
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