As adjectives the difference between crafty and practic

is that crafty is relating to, or characterized by, craft or skill; dexterous while practic is (archaic) practical.

As a noun practic is

a person concerned with action or practice, as opposed to one concerned with theory.

As adjectives the difference between semipermeable and permeant

is that semipermeable is permeable to some things and not to others, as a cell membrane which allows some molecules through but blocks others substances while permeant is (biochemistry) able to pass through or into a given semipermeable membrane or polymer.

As a noun permeant is

(biochemistry) a substance which is able to pass through or into a membrane or polymer.

As nouns the difference between membrane and permeant

is that membrane is membrane while permeant is (biochemistry) a substance which is able to pass through or into a membrane or polymer.

As an adjective permeant is

(biochemistry) able to pass through or into a given semipermeable membrane or polymer.

As nouns the difference between polymer and permeant

is that polymer is polymer while permeant is (biochemistry) a substance which is able to pass through or into a membrane or polymer.

As an adjective permeant is

(biochemistry) able to pass through or into a given semipermeable membrane or polymer.

Impermeant is an antonym of permeant.

As adjectives the difference between impermeant and permeant

is that impermeant is that cannot permeate through a specified semipermeable membrane while permeant is (biochemistry) able to pass through or into a given semipermeable membrane or polymer.

As a noun permeant is

(biochemistry) a substance which is able to pass through or into a membrane or polymer.

Permeant is a related term of permeable.

As adjectives the difference between permeable and permeant

is that permeable is of or relating to substance, substrate, membrane or material that absorbs or allows the passage of fluids while permeant is able to pass through or into a given semipermeable membrane or polymer.

As a noun permeant is

a substance which is able to pass through or into a membrane or polymer.

In cytology|lang=en terms the difference between nucleolus and perinucleolar

is that nucleolus is (cytology) a conspicuous, rounded body within the nucleus of a cell while perinucleolar is (cytology) of or pertaining to the area within the nucleus and near the nucleolus.

As a noun nucleolus

is (cytology) a conspicuous, rounded body within the nucleus of a cell.

As an adjective perinucleolar is

(cytology) of or pertaining to the area within the nucleus and near the nucleolus.

Perinucleolar is a related term of perinuclear.

As adjectives the difference between perinuclear and perinucleolar

is that perinuclear is surrounding a nucleus while perinucleolar is of or pertaining to the area within the nucleus and near the nucleolus.

As an adjective economical

is careful with money so as not to spend too much; prudent; thrifty.

As a noun netbook is

(computing) an economical notebook computer.

Ultraportable is a see also of netbook.

In computing|lang=en terms the difference between ultraportable and netbook

is that ultraportable is (computing) an ultraportable computer while netbook is (computing) an economical notebook computer.

As nouns the difference between ultraportable and netbook

is that ultraportable is (computing) an ultraportable computer while netbook is (computing) an economical notebook computer.

As an adjective ultraportable

is extremely portable.