trophotropism

1. In biology, the growth or movement of organisms in relation to a source or supply of food; a form of chemotropism.

2. In botany, the phenomena induced in a growing organ by the influence of the chemical nature of its environment, as when plasmodia that are spread out on surfaces which yield little or no nutriment move toward bodies which contain nutrient substances.

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Here are some other words you could make with the letters trophotropism

Top Words by points	Points	Word Game
phototropism	21	Scrabble

2 Letters	Scrabble® Points
hi	5
hm	7
ho	5
is	2
it	2
mi	4
mo	4
oh	5
oi	2
om	4
op	4
or	2
os	2
pi	4
po	4
sh	5
si	2
so	2
ti	2
to	2

3 Letters	Scrabble® Points
him	8
hip	8
his	6
hit	6
hom	8
hoo	6
hop	8
hot	6
imp	7
ism	5
its	3
mho	8
mir	5
mis	5
moi	5
moo	5
mop	7
mor	5
mos	5
mot	5
ohm	8
oho	6
ohs	6
oms	5
ooh	6
oot	3
ops	5
opt	5
ors	3
ort	3
phi	8
pho	8
pht	8
pip	7
pis	5
pit	5
poh	8
poi	5
pom	7
poo	5
pop	7
pos	5
pot	5
pro	5
psi	5
pst	5
rho	6
rim	5
rip	5
rom	5
roo	3
rot	3
sho	6
sim	5
sip	5
sir	3
sit	3
soh	6
som	5
sop	5
sot	3
sri	3
tho	6
tip	5
tis	3
tit	3
tom	5
too	3
top	5
tor	3
tot	3

4 Letters	Scrabble® Points
hims	9
hips	9
hist	7
hits	7
homo	9
homs	9
hoop	9
hoot	7
hops	9
host	7
hots	7
imps	8
mhos	9
mirs	6
miso	6
mist	6
mitt	6
moho	9
moor	6
moos	6
moot	6
mops	8
mors	6
mort	6
mosh	9
most	6
moth	9
mots	6
mott	6
ohms	9
omit	6
oohs	7
oops	6
oots	4
opts	6
orts	4
otto	4
phis	9
phos	9
phot	9
pimp	10
pips	8
pish	9
piso	6
pith	9
pits	6
pois	6
pomo	8
pomp	10
poms	8
pooh	9
poop	8
poor	6
poos	6
pops	8
port	6
posh	9
post	6
pots	6
prim	8
prom	8
prop	8
pros	6
rhos	7
rims	6
riot	4
rips	6
romp	8
roms	6
room	6
roos	4
root	4
roti	4
roto	4
rots	4
shim	9
ship	9
shmo	9
shoo	7
shop	9
shot	7
shri	7
simp	8
sith	7
smit	6
soot	4
soph	9
sori	4
sort	4
soth	7
spit	6
spot	6
stir	4
stop	6
stot	4
thio	7
thir	7
this	7
thro	7
tips	6
tiro	4
tits	4
toit	4
toms	6
toom	6
toot	4
toph	9
topi	6
topo	6
tops	6
tori	4
toro	4
torr	4
tors	4
tort	4
tosh	7
tost	4
tots	4
trim	6
trio	4
trip	6
trop	6
trot	4
oppo	8
stim	6

5 Letters	Scrabble® Points
hippo	12
hoist	8
homos	10
hoops	10
hoots	8
horst	8
impro	9
mirth	10
mitts	7
mohos	10
moist	7
moors	7
moots	7
morph	12
morro	7
morts	7
moths	10
motor	7
motto	7
motts	7
omits	7
oomph	12
orris	5
ortho	8
ottos	5
photo	10
phots	10
pimps	11
piths	10
pitot	7
pomos	9
pomps	11
poohs	10
poops	9
poori	7
ports	7
posit	7
potto	7
primo	9
primp	11
prims	9
prior	7
prism	9
promo	9
proms	9
props	9
proso	7
prost	7
riots	5
romps	9
rooms	7
roost	5
roots	5
roshi	8
rosti	5
rotis	5
rotor	5
rotos	5
shirr	8
shirt	8
shoot	8
short	8
shott	8
smith	10
sooth	8
sopor	7
spirt	7
spoor	7
sport	7
sprit	7
stirp	7
stomp	9
stoop	7
stopt	7
storm	7
strip	7
strop	7
thoro	8
thorp	10
thrip	10
tiros	5
toits	5
tooth	8
toots	5
tophi	10
tophs	10
topis	7
topoi	7
topos	7
toros	5
torot	5
torrs	5
torsi	5
torso	5
torts	5
trims	7
trios	5
trips	7
trois	5
tromp	9
troop	7
troth	8
trots	5
oppos	9

6 Letters	Scrabble® Points
hippos	13
hotpot	11
import	10
impost	10
impros	10
mirths	11
mopish	13
morish	11
morpho	13
morphs	13
morris	8
morros	8
motors	8
mottos	8
oomphs	13
photos	11
pithos	11
pitots	8
pooris	8
porism	10
postop	10
pothos	11
pottos	8
primos	10
primps	12
priors	8
promos	10
prompt	12
prosit	8
ripost	8
rotors	6
shrimp	13
shroom	11
smooth	11
stript	8
thirst	9
thorps	11
thrips	11
tiptop	10
tooths	9
toroth	9
torpor	8
tripos	8
tromps	10
troops	8
troppo	10
troths	9

7 Letters	Scrabble® Points
hotpots	12
hotspot	12
imports	11
moorish	12
morphos	14
orphism	14
poorish	12
potshot	12
prompts	13
protist	9
rimshot	12
ripstop	11
risotto	7
rompish	14
tiptops	11
topmost	11
torpors	9
trimpot	11
tropism	11

8 Letters	Scrabble® Points
impostor	12
isomorph	15
motorist	10
poortith	13
postriot	10
promisor	12
promotor	12
trimorph	15
trimotor	10
trimpots	12

9 Letters	Scrabble® Points
poortiths	14
promotors	13
trimorphs	16
trimotors	11
troopship	16

10 Letters	Scrabble® Points
prototroph	17

11 Letters	Scrabble® Points
prototrophs	18

12 Letters	Scrabble® Points
phototropism	21