litmus

1. A water-soluble blue powder derived from certain lichens that changes to red with increasing acidity and to blue with increasing basicity.

2. A coloring matter from lichens that turns red in acid solutions and blue in alkaline solutions and is used as an acid-base indicator.

3. The critical factor in a litmus test.

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Top Words by points	Points	Word Game
litmus	8	Scrabble

2 Letters	Scrabble® Points
it	2
si	2
is	2
mu	4
mi	4
ti	2
um	4
us	2
ut	2
li	2

3 Letters	Scrabble® Points
tum	5
tui	3
tis	3
til	3
sum	5
ums	5
sit	3
uts	3
sim	5
ism	5
its	3
lis	3
lit	3
lum	5
mus	5
mis	5
mil	5
mut	5

4 Letters	Scrabble® Points
tums	6
sumi	6
lust	4
lums	6
litu	4
lits	4
list	4
tils	4
tuis	4
stum	6
stim	6
suit	4
smut	6
smit	6
slut	4
slum	6
slit	4
slim	6
silt	4
muts	6
must	6
mist	6
milt	6
mils	6

5 Letters	Scrabble® Points
tulsi	5
milts	7

6 Letters	Scrabble® Points
litmus	8