We don't have synonyms for interstices yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are intestines, interstice and intersticed.
(n) :
A small opening or space between objects, especially adjacent objects or objects set closely together, such as between cords in a rope, components of a multiconductor electrical cable or atoms in a crystal.
(n) :
(figurative) A fragment of space.
(n) :
(by extension) A small interval of time free to be spent on activities other than one's primary goal.
(n) :
An interval of time required by the Roman Catholic Church between the attainment of different degrees of an order.
(n) :
A small opening or space between objects, especially adjacent objects or objects set closely together, such as between cords in a rope, components of a multiconductor electrical cable or atoms in a crystal.
(n) :
(figurative) A fragment of space.
(n) :
(by extension) A small interval of time free to be spent on activities other than one's primary goal.
(n) :
An interval of time required by the Roman Catholic Church between the attainment of different degrees of an order.