| IRONAGE | (archeology) the period after Bronze Age; characterised by rapid spread of iron tools and weapons (4,3) |
| EOLITHIC | Denoting a period at the start of the Stone Age, characterised by the earliest stone tools (8) |
| ATRIALFIBRILLATION | An abnormal heart rhythm characterised by rapid and irregular beating |
| ARMS | Like hiding the Royal Marines and weapons (4) |
| FEAST | Wonderful spread of iron, sulphur and top titanium over area (5) |
| FORESAW | Envisaged either part of iron tool |
| KNIVES | Tools and weapons (6) |
| EGYPTOLOGY | Study of the archeology and language of the land of the pyramids |
| MASSHYSTERIA | Rapid spread of panic and fear (4,8) |
| CALIPH | A Muslim civil and religious leader in the period after the death of Muhammad (6) |
| EPIDEMIC | The rapid spread of an infectious disease (8) |
| NOTBEFORETIME | In a manner of speaking, it's long overdue as it explains the period after The Big Bang (3,6,4) |
| RAZOR | Sharp implement, such as the cut-throat and weapon of choice used by "the Demon Barber of Fleet Street", Sweeney Todd (5) |
| TREMOLO | Wavering effect in a musical tone produced by rapid repetition of the same note or of two notes at least a third apart (7) |
| VIBRATO | In singing, what is the pulsating effect produced by rapid and small oscillations in pitch about a given note? (7) |
| SHIELD | Armour used to deflect projectiles and weapons; the shell of a tortoise/turtle; or, a type of escutcheon used in heraldry (6) |
| IRON | Age after Bronze and Stone |
| EPIDEMICS | Rapid spreads of diseases to large numbers (9) |
| POSTWAR | In the Western world, this term describes the period after 1945 |
| POSTNATAL | Of the period after birth |