1.  backlog(n = noun.group) - an accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services);
is a kind of accumulation, aggregation, assemblage, collection
Derived form verb backlog₁

2.  backlog(n = noun.substance) - the large log at the back of a hearth fire;
is a kind of firewood
has particulars: yule log

3.  backlog(n = noun.possession) reserve, stockpile - something kept back or saved for future use or a special purpose;
is a kind of accumulation
has particulars: bank, fuel level, reserve account, reserve fund
Derived form verb backlog₁

   backlog(v = verb.change) - accumulate and create a backlog;
is one way to accumulate, amass, conglomerate, cumulate, gather, pile up
Derived forms noun backlog₁, noun backlog₃
Sample sentences: Something ----s

1.  A large stick of wood, forming the back of a fire on the hearth. Contrasted to forestick. [1913 Webster]
"There was first a backlog, from fifteen to four and twenty inches in diameter and five feet long, imbedded in the ashes." [1913 Webster]

2.  An accumulation (of tasks or of materials) that were not performed or processed at the normal time and require attention; as, unexpected demand led to a large backlog of unfilled orders; politically motivated delays led to a large backlog of unconfirmed judicial appointments. [PJC]

backlog, n.
1 arrears of uncompleted work etc.
2 a reserve; reserves (a backlog of goodwill).

N  furnace, stove, kiln, oven, cracker, hearth, focus, combustion chamber, athanor, hypocaust, reverberatory, volcano, forge, fiery furnace, limekiln, Dutch oven, tuyere, brasier, salamander, heater, warming pan, boiler, caldron, seething caldron, pot, urn, kettle, chafing-dish, retort, crucible, alembic, still, waffle irons, muffle furnace, induction furnace, electric heater, electric furnace, electric resistance heat, open-hearth furnace, fireplace, gas fireplace, coal fire, wood fire, fire-dog, fire- irons, grate, range, kitchener, caboose, camboose, poker, tongs, shovel, ashpan, hob, trivet, andiron, gridiron, ashdrop, frying-pan, stew-pan, backlog, hearth, inglenook, oil burner, gas burner, Franklin stove, pot-bellied stove, wood-burning stove, central heating, steam heat, hot water heat, gas heat, forced hot air, electric heat, heat pump, solar heat, convective heat, hothouse, bakehouse, washhouse, laundry, conservatory, sudatory, Turkish bath, Russian bath, vapor bath, steam bath, sauna, warm bath, vaporarium.