ลิตมัส(lít-mát)

Meanings

1NounB1

litmus paper

Paper impregnated with litmus used to test acidity or alkalinity.

Examples

ครูkruuครูkruu1teacher2master; mentor (respectful)3teacher (classifier; formal)ให้เราhâi raoให้เราhâi rao1give us; give me2for us; for me3let us; allow me/usใช้cháiใช้chái1[to] use; employ2[to] spend (money); pay; expend3[to] require; take (time/effort/amount)4[to] order; command (someone to do) [colloq.]5be acceptable/valid; okay [set phrase]กระดาษgrà-dàatกระดาษgrà-dàat1paper (material)2document; paperwork3sheet of paper; piece of paperลิตมัสจุ่มlít-mát jùmลิตมัสจุ่มlít-mát jùmdip litmus paper; litmus dip stripน้ำมะนาวnám má-naaoน้ำมะนาวnám má-naaolime juiceเพื่อpêuuaเพื่อpêuua1for; in order to2for the sake of; on behalf ofดูdooดูdoo1consult; get advice from2try; have a go3[to] divine; tell fortune4[to] examine; check; inspect5[to] seem; appear6[to] look; watch; seeสีsĕeสีsĕe1hue; shade; tone2paint3[to] rub; scrub; polish4colorเปลี่ยนbplìianเปลี่ยนbplìian1[to] change; become different2[to] switch; replace; exchange3[to] change; transfer (clothes/transport/etc.)
The teacher had us dip litmus paper in lemon juice to see the color change.
2NounB2

litmus (acid–base indicator)

Litmus, a mixture of dyes used as an acid–base indicator; turns red in acidic solution and blue in alkaline solution.

Examples

ในnaiในnai1in; inside; within2during; in (time)3of (formal/official)ห้องทดลองhông tót longห้องทดลองhông tót long1laboratory; lab2testbed; proving ground (figurative)เราraoเราrao1we; us2I; me (informal/regional)ใช้cháiใช้chái1[to] use; employ2[to] spend (money); pay; expend3[to] require; take (time/effort/amount)4[to] order; command (someone to do) [colloq.]5be acceptable/valid; okay [set phrase]ลิตมัสlít-mátลิตมัสlít-mát1litmus (acid–base indicator)2litmus paperสังเกตsǎng-gètสังเกตsǎng-gèt1[to] observe [sth]; watch closely2[to] notice [sth]; perceive [sth]3[to] note [sth]; take note (mentally)ว่าwâaว่าwâa1[to] say; tell; say that2[to] think; consider; deem3that (clause marker)4about; regarding5[to] scold; reproach; criticizeเมื่อmêuuaเมื่อmêuua1when; at the time that2when (past time marker)สารละลายsăan-lá-laaiสารละลายsăan-lá-laaisolution (chemistry)เป็นกรดbpen gròtเป็นกรดbpen gròtacidic (chemistry)สีsĕeสีsĕe1hue; shade; tone2paint3[to] rub; scrub; polish4colorจะjàจะjà1will; shall (future/intention marker)2about to; going to (near future, often w/ กำลังจะ)3then; would (result in conditionals)เปลี่ยนเป็นbplìian bpenเปลี่ยนเป็นbplìian bpen1[to] become; turn into2[to] switch to; change to3[to] convert [sth] to; change [sth] intoแดงdaengแดงdaeng1red (color)2[to] turn red; blush3red color4red-shirt; pro-democracy (Thai political context)5[to] be exposed; come to lightและláeและláeand (coordinating)เมื่อmêuuaเมื่อmêuua1when; at the time that2when (past time marker)เป็นbpenเป็นbpen1to be (identity/category/state)2to become3[to] know how; be able to (skill)4[to] be + set expressionsด่างdàangด่างdàang1alkaline; basic2alkali; base (substance)3mottled; blotchy; bleachedสีsĕeสีsĕe1hue; shade; tone2paint3[to] rub; scrub; polish4colorจะjàจะjà1will; shall (future/intention marker)2about to; going to (near future, often w/ กำลังจะ)3then; would (result in conditionals)เปลี่ยนเป็นbplìian bpenเปลี่ยนเป็นbplìian bpen1[to] become; turn into2[to] switch to; change to3[to] convert [sth] to; change [sth] intoน้ำเงินnám ngernน้ำเงินnám ngern1dark blue (color term)2dark blue (colored)
In the lab we use litmus to observe that when a solution is acidic it turns red, and when it is alkaline it turns blue.