schlieren

/ˈʃlɪərən/ /ˈʃlɪərəʊn/

Meanings

noun

Regions of a fluid having different refractive index because of their different density.

Examples :

"After pouring hot water into the glass, schlieren were visible as shimmering distortions in the water, caused by the mixing of water with different temperatures and densities. "

noun

Irregular streaks of different composition in some igneous rocks.

Examples :

"The geologist pointed out the schlieren in the granite sample, noting how the dark streaks contrasted with the lighter colored minerals. "

geology material

Related Words

minerals noun

/ˈmɪnərəl/ /ˈmɪnərəlz/

Any naturally occurring inorganic material that has a (more or less) definite chemical composition and characteristic physical properties.

"The school science project involved identifying different rocks based on the minerals they contained, like quartz and feldspar. "

$Illustration refractive$

refractive adjective

/rɪˈfræktɪv/ /riˈfræktɪv/

That refracts; causing or relating to refraction.

"The refractive properties of the lens in her glasses help her see clearly. "

temperatures noun

/ˈtɛmpərətʃərz/ /ˈtɛmprətʃərz/

A measure of cold or heat, often measurable with a thermometer.

"The temperature in the room dropped nearly 20 degrees; it went from hot to cold."

shimmering verb

/ˈʃɪmərɪŋ/ /ˈʃɪmrɪŋ/

To shine with a veiled, tremulous, or intermittent light; to gleam faintly.

"The dew on the grass was shimmering in the morning sun. "

irregular noun

/ɪˈɹɛɡjəlɚ/

A soldier who is not a member of an official military force and, often, does not follow regular army tactics

"The irregulars attacked the government buildings, not following the standard military formations. "

different noun

/ˈdɪf.(ə)ɹ.ənt/

The different ideal.

"My family has a different ideal for my future than I do. "

contrasted verb

/kənˈtræstɪd/ /ˈkɑːntræstɪd/

To set in opposition in order to show the difference or differences between.

"The teacher contrasted the two poems, highlighting the difference in their tone and themes. "

densities noun

/ˈdɛnsɪtiz/

A measure of the mass of matter contained by a unit volume.

"Different types of wood have different densities; oak wood has a higher density than balsa wood, making it heavier for the same size. "

geologist noun

/dʒiˈɒlədʒɪst/ /dʒiˈɑːlədʒɪst/

A person who is skilled at geology.

"The geologist studied the rocks in the park. "

distortions noun

/dɪˈstɔːrʃənz/ /dɪˈstɔːrʃnz/

An act of distorting.

"The teacher's rushed explanation caused distortions in the students' understanding of the lesson. "

composition noun

/ˌkɒmpəˈzɪʃən/

The act of putting together; assembly.

"The composition of the band's new song involved several different instruments. "

regions noun

/ˈɹiːdʒənz/

Any considerable and connected part of a space or surface; specifically, a tract of land or sea of considerable but indefinite extent; a country; a district; in a broad sense, a place without special reference to location or extent but viewed as an entity for geographical, social or cultural reasons.

"the equatorial regions"